大约有 44,000 项符合查询结果(耗时:0.0476秒) [XML]

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What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]

... as a language in many IDE's so you have just a series of un-error checked strings performing tasks for you changes in a data type, table name or constraint are far more prevalent than swapping out an entire databases for a new one your level of difficulty increases as your query grows in complexity...
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Left-pad printf with spaces

How can I pad a string with spaces on the left when using printf? 4 Answers 4 ...
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Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa

... public void onClick(View view) { if(buttons.get(2).getText().toString().equalsIgnoreCase(getResources().getString(R.string.show))){ editTexts.get(1).setInputType(InputType.TYPE_CLASS_TEXT); editTexts.get(1).setSelection(editTexts.get(1).getText().length()); ...
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Set custom HTML5 required field validation message

...for example when it's not a valid email address) You can either assign a string or a function to each of the three properties. If you assign a function, it can accept a reference to the input element (DOM node) and it must return a string which is then displayed as the error message. Compatibili...
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Understanding Python's “is” operator

... Another duplicate was asking why two equal strings are generally not identical, which isn't really answered here: >>> x = 'a' >>> x += 'bc' >>> y = 'abc' >>> x == y True >>> x is y False So, why aren't they the same str...
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Should private helper methods be static if they can be static

...ate static void doSomethingStatic(int arg) { } public static void main(String[] args) { // do it twice both ways doSomethingStatic(0); doSomethingStatic(0); TestBytecodeSize t = new TestBytecodeSize(); t.doSomething(0); t.doSomething(0); } } ...
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What is the Simplest Way to Reverse an ArrayList?

...adding elements : public class ListUtil { public static void main(String[] args) { ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("1"); arrayList.add("2"); arrayList.add("3"); arrayList.add("4"); arrayList.add...
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Why do we always prefer using parameters in SQL statements?

...ase, it looks like you're using .NET. Using parameters is as easy as: C# string sql = "SELECT empSalary from employee where salary = @salary"; using (SqlConnection connection = new SqlConnection(/* connection info */)) using (SqlCommand command = new SqlCommand(sql, connection)) { var salaryP...
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How to check sbt version?

...t project to jacek (in build file:/Users/jacek/) [info] Setting: java.lang.String = 0.13.1 [info] Description: [info] Provides the version of sbt. This setting should be not be modified. [info] Provided by: [info] */*:sbtVersion [info] Defined at: [info] (sbt.Defaults) Defaults.scala:68 [info] D...
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jQuery .data() does not work, but .attr() does

...ia .data() will return an Object while retrieval via .attr() will return a string. See jsfiddle example. Since .data() does extra processing jQuery stores the results of attribute evaluation in $.cache - after all, once a data attribute has been evaluated it would be wasteful to re-evaluate on ever...