首页 \ 问答 \ 最新的兼容版本的hadoop和hbase(Latest compatible version of hadoop and hbase)

最新的兼容版本的hadoop和hbase(Latest compatible version of hadoop and hbase)

 我必须在4台机器上安装hadoop和hbase。 
 我找到了最新版本的hadoop-2.6.0 and hbase-0.98.9-hadoop2-bin 。 
 

 1）它们是否兼容？ 
 2）我应该如何在4台机器上安装hbase和hadoop，即有多少主人和奴隶等？ 

I have to install hadoop and hbase on 4 machines.
 I have found latest version of hadoop-2.6.0 and hbase-0.98.9-hadoop2-bin. 
 

1)Are they compatible?
 2)How I should install hbase and hadoop on 4 machines i.e. how many masters and slaves etc.?

原文：https://stackoverflow.com/questions/27798014
更新时间：2023-12-24 10:12

最满意答案

 我们在Ext.form.Field上使用覆盖，它隐藏触发器等，然后我们添加一个css类。 然后我们设置组件的样式，因为ExtJS的禁用功能确实不够可读。 
 

 这是示例代码： 
 

var originalRender = Ext.form.Field.prototype.onRender;
Ext.override(Ext.form.Field, {
    UxReadOnly: false,
    UxDisplayOnly: function (displayOnly, cls) {
        // If no parameter, assume true
        var displayOnly = (displayOnly === false) ? false : true;


        if (displayOnly) {
            // If a class name is passed in, use that, otherwise use the default one.
            // The classes are defined in displayOnly.html for this example 
            var cls = (cls) ? cls : 'x-form-display-only-field';

            // Add or remove the class
            this.addClass(cls);

            // Set the underlying DOM element's readOnly attribute
            this.setReadOnly(displayOnly);
            this.editable = false;

            // Get this field's xtype (ie what kind of field is it?)
            var xType = this.getXType();

            if (xType == 'combo' | xType == 'combobox' | xType == 'Ext.ux.Combo' | xType == 'Ext.ux.ComboSearch') {
                this.addClass('x-form-display-only-combo');
                this.hideTrigger = true;
                this.on('expand', function (field) {
                    if (field.hideTrigger)
                        field.collapse();
                });
            }
            else if (xType == 'datefield') {
                this.addClass('x-form-display-only-datefield');
                this.hideTrigger = true;
                this.on('expand', function () {
                    if (this.hideTrigger)
                        this.collapse();
                });
                this.editable = false;
            } //elseif for each component u want readonly enabled
            else {
                this.addClass('x-form-display-only-other');
            }

            // For fields that have triggers (eg date,time,dateTime), 
            // show/hide the trigger
            if (this.trigger) {
                this.trigger.setDisplayed(!displayOnly);
            }

        } else {
            this.UxFullField(cls);
        }
    },
    afterRender: function () {
        var me = this;
        me.UxDisplayOnly(me.UxReadOnly, 'x-form-display-only-field');
        this.callParent(arguments);
    },
    UxFullField: function (cls) {
        // If a class name is passed in, use that, otherwise use the default one.
        // The classes are defined in displayOnly.html for this example 
        var cls = (cls) ? cls : 'x-form-display-only-field';

        this.removeCls(cls);

        // Set the underlying DOM element's readOnly attribute
        this.setReadOnly(false);
        this.editable = true;

        // Get this field's xtype (ie what kind of field is it?)
        var xType = this.getXType();

        if (xType == 'combo' | xType == 'combobox' | xType == 'Ext.ux.Combo' | xType == 'Ext.ux.ComboSearch') {
            this.removeCls('x-form-display-only-combo');
            this.setHideTrigger(false);
        }
        else if (xType == 'datefield') {
            this.removeCls('x-form-display-only-datefield');
            this.setHideTrigger(false);
            this.editable = true;
        }//elseif for each component u want readonly enabled
        else {
            this.removeCls('x-form-display-only-other');
        }

        // For fields that have triggers (eg date,time,dateTime), 
        // show/hide the trigger
        if (this.trigger) {
            this.setHideTrigger(false);
        }
    }
});

 

 用css你隐藏边框之类的东西...... 
 

.x-form-display-only-field{}

.x-form-display-only-other input, .x-form-display-only-other select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-combo input, .x-form-display-only-combo select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-datefield input, .x-form-display-only-datefield select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-file input, .x-form-display-only-file select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }

.x-form-display-only-checkbox { }
.x-form-display-only-radiogroup { }

 

 现在，您可以通过以下方式添加字段： 
 

Ext.create('Ext.form.field.Text', {
     name: 'example',
     UxReadOnly: true
});


We use an override on Ext.form.Field, which hides the triggers etc, and then we add a css class. We then style the component, because the disabled function of ExtJS is indeed not readable enough.
 

Here is example code:
 

var originalRender = Ext.form.Field.prototype.onRender;
Ext.override(Ext.form.Field, {
    UxReadOnly: false,
    UxDisplayOnly: function (displayOnly, cls) {
        // If no parameter, assume true
        var displayOnly = (displayOnly === false) ? false : true;


        if (displayOnly) {
            // If a class name is passed in, use that, otherwise use the default one.
            // The classes are defined in displayOnly.html for this example 
            var cls = (cls) ? cls : 'x-form-display-only-field';

            // Add or remove the class
            this.addClass(cls);

            // Set the underlying DOM element's readOnly attribute
            this.setReadOnly(displayOnly);
            this.editable = false;

            // Get this field's xtype (ie what kind of field is it?)
            var xType = this.getXType();

            if (xType == 'combo' | xType == 'combobox' | xType == 'Ext.ux.Combo' | xType == 'Ext.ux.ComboSearch') {
                this.addClass('x-form-display-only-combo');
                this.hideTrigger = true;
                this.on('expand', function (field) {
                    if (field.hideTrigger)
                        field.collapse();
                });
            }
            else if (xType == 'datefield') {
                this.addClass('x-form-display-only-datefield');
                this.hideTrigger = true;
                this.on('expand', function () {
                    if (this.hideTrigger)
                        this.collapse();
                });
                this.editable = false;
            } //elseif for each component u want readonly enabled
            else {
                this.addClass('x-form-display-only-other');
            }

            // For fields that have triggers (eg date,time,dateTime), 
            // show/hide the trigger
            if (this.trigger) {
                this.trigger.setDisplayed(!displayOnly);
            }

        } else {
            this.UxFullField(cls);
        }
    },
    afterRender: function () {
        var me = this;
        me.UxDisplayOnly(me.UxReadOnly, 'x-form-display-only-field');
        this.callParent(arguments);
    },
    UxFullField: function (cls) {
        // If a class name is passed in, use that, otherwise use the default one.
        // The classes are defined in displayOnly.html for this example 
        var cls = (cls) ? cls : 'x-form-display-only-field';

        this.removeCls(cls);

        // Set the underlying DOM element's readOnly attribute
        this.setReadOnly(false);
        this.editable = true;

        // Get this field's xtype (ie what kind of field is it?)
        var xType = this.getXType();

        if (xType == 'combo' | xType == 'combobox' | xType == 'Ext.ux.Combo' | xType == 'Ext.ux.ComboSearch') {
            this.removeCls('x-form-display-only-combo');
            this.setHideTrigger(false);
        }
        else if (xType == 'datefield') {
            this.removeCls('x-form-display-only-datefield');
            this.setHideTrigger(false);
            this.editable = true;
        }//elseif for each component u want readonly enabled
        else {
            this.removeCls('x-form-display-only-other');
        }

        // For fields that have triggers (eg date,time,dateTime), 
        // show/hide the trigger
        if (this.trigger) {
            this.setHideTrigger(false);
        }
    }
});

 

With css you hide stuff like borders etc... 
 

.x-form-display-only-field{}

.x-form-display-only-other input, .x-form-display-only-other select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-combo input, .x-form-display-only-combo select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-datefield input, .x-form-display-only-datefield select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }
.x-form-display-only-file input, .x-form-display-only-file select { background: transparent !important; border: 1px solid transparent !important; cursor: pointer; cursor: default; font-weight: bold; background-image: none !important; background-color: transparent !important; }

.x-form-display-only-checkbox { }
.x-form-display-only-radiogroup { }

 

Now you can add your field the following way:
 

Ext.create('Ext.form.field.Text', {
     name: 'example',
     UxReadOnly: true
});

相关问答

更多

  • 名称重定义Dim MM_conn_STRING[2024-01-17]

    你引用了2次。看上面

  • 使用setEnabled（）或setDisabled（）(Using setEnabled() or setDisabled())[2021-06-11]

    他们都修改相同的属性。 setDisabled只是为了方便，例如，如果您将它用作切换信号的插槽。 使用setEnabled和setDisabled您可以通过切换按钮/动作/复选框来启用或禁用小部件，而不需要中间插槽来反转该值。 They both modify the same property. setDisabled is just for convenience, for example if you use it as a slot for a toggled signal. Using setEn ...

  • android：backgroundDimEnabled使ExoPlayer视频变暗/变暗(android:backgroundDimEnabled makes ExoPlayer video go dim/darker)[2023-09-24]

    发现这个问题，这要归功于On Android模拟器（hw呢？）带有backgroundDimEnabled的活动样式也会使GLSurfaceView输出变暗 这个问题是由于SurfaceView被渲染的原因，所以将z顺序设置为top将修复此问题： (simpleExoPlayerView?.videoSurfaceView as SurfaceView)?.setZOrderOnTop(true) Found the issue, thanks to On Android emulator (hw too ...

  • 如果Transparent为True，Matplotlib Savefig函数会在自身上绘制轴(Matplotlib Savefig Function Draws Axes Over Self if Transparent is True)[2022-02-20]

    import matplotlib.pyplot as plt import numpy as np fig = plt.figure(1) # This is as persistent as assigning to whatever function def init_axes(fig): fig.clear() return dict( t_ax = plt.subplot2grid((6,2),(1,0)), ...

  • 使用LayoutInflater使叠加透明(Using LayoutInflater makes overlay transparent)[2022-08-20]

    尝试添加颜色作为背景，如android：background =“＃ffffff”，并相应地添加文本颜色，这将是可见的像android：textColor =“＃000000”。 Try to add color as background like android:background="#ffffff" and accordingly add the text color which will be visible like android:textColor="#000000".

  • ExtJS：setDisabled（true）使字段太暗/透明而无法读取(ExtJS: setDisabled(true) makes fields too dim / transparent to read)[2023-10-14]

    我们在Ext.form.Field上使用覆盖，它隐藏触发器等，然后我们添加一个css类。 然后我们设置组件的样式，因为ExtJS的禁用功能确实不够可读。 这是示例代码： var originalRender = Ext.form.Field.prototype.onRender; Ext.override(Ext.form.Field, { UxReadOnly: false, UxDisplayOnly: function (displayOnly, cls) { // I ...

  • 背景昏暗不能正常工作(Background dim not working properly)[2023-09-20]

    使用android Theme修复了这个问题

    ValueError：形状（2,2）和（4,6）未对齐：2（dim 1）！= 4（dim 0）(ValueError: shapes (2,2) and (4,6) not aligned: 2 (dim 1) != 4 (dim 0))[2022-07-25]

    问题是pca.inverse_transform()不应该将clusters作为参数。 事实上，如果您查看文档 ，应该将从PCA获得的数据 应用于原始数据，而不是使用KMeans获得的质心 。 The problem is that pca.inverse_transform()should not take clustersas argument. Indeed, if you look at the documentation, it should take the data obtained from ...

  • 使用actionbarsherlock进行昏暗，几乎透明的活动(Dim, almost transparent activity with actionbarsherlock)[2022-10-12]

    找到解决方案： 在res/styles.xml创建自己的主题