大约有 44,000 项符合查询结果(耗时:0.0410秒) [XML]

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How can I do SELECT UNIQUE with LINQ?

...e.MainTable where dbo.Property == true select dbo.Color.Name).Distinct().OrderBy(name=>name); share | improve this answer | follow ...
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Enter “&” symbol into a text Label in Windows Forms?

How would one enter special characters into a Label in C# (Windows Forms)? 5 Answers ...
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What's the best way to make a d3.js visualisation layout responsive?

...n the window resizes like so: var aspect = width / height, chart = d3.select('#chart'); d3.select(window) .on("resize", function() { var targetWidth = chart.node().getBoundingClientRect().width; chart.attr("width", targetWidth); chart.attr("height", targetWidth / aspect); }); ...
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

... write a plugin that would do something like: SampleModel.find(:all, :select => "DISTINCT(*)", :conditions => ["date > #{self.date}"], :limit => 1, :order => 'date', :group => "date").show_generated_sql and have this call the construct_finder_sql method. ...
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Rails auto-assigning id that already exists

...mpany.id column to the highest value in the table with a query like this: SELECT setval('company_id_seq', (SELECT max(id) FROM company)); I am guessing at your sequence name "company_id_seq", table name "company", and column name "id" ... please replace them with the correct ones. You can get the...
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How to update a menu item shown in the ActionBar?

... set a condition in oncreateOptionMenu(). For example: Boolean mISQuizItemSelected = false; /** * Called to inflate the action bar menus * * @param menu * the menu * * @return true, if successful */ @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu ite...
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How do I use jQuery's form.serialize but exclude empty fields

... looking over the jQuery docs and I think we can do this in one line using selectors: $("#myForm :input[value!='']").serialize() // does the job! Obviously #myForm gets the element with id "myForm" but what was less obvious to me at first was that the space character is needed between #myForm and...
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django : using select_related and get_object_or_404 together

Is there any way of using get_object_or_404 and select_related together or any other way to achieve the result of using these two together(except from putting it in try/except)?? ...
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how to check if a form is valid programmatically using jQuery Validation Plugin

... jQuery Validation plugin: $("#form_id").valid(); Checks whether the selected form is valid or whether all selected elements are valid. validate() needs to be called on the form before checking it using this method. Where the form with id='form_id' is a form that has already had .validat...
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SQL Logic Operator Precedence: And and Or

...te: Declare @x tinyInt = 1 Declare @y tinyInt = 0 Declare @z tinyInt = 0 Select Case When @x=1 OR @y=1 And @z=1 Then 'T' Else 'F' End -- outputs T Select Case When (@x=1 OR @y=1) And @z=1 Then 'T' Else 'F' End -- outputs F For those who like to consult references (in alphabetic order): Microso...