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How to say “should_receive” more times in RSpec
...s opposed to any_instance, expects that the class receives message the specified number of times.
any_instance on the other hand is generally used for stubbing a method.
So the first case is an expectation that we would like to test, while the second one is getting past a method to the next line s...
jQuery: Test if checkbox is NOT checked
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One reliable way I use is:
if($("#checkSurfaceEnvironment-1").prop('checked') == true){
//do something
}
If you want to iterate over checked elements use the parent element
$("#parentId").find("checkbox").each(function(){
if ($(this).prop('c...
CSS selector for other than the first child and last child
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How can I add an animation to the activity finish()
...ng finish()
@Override
protected void onPause() {
super.onPause();
if (isFinishing()){
overridePendingTransition(R.anim.activity_slide_in, R.anim.activity_slide_out);
}
}
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Convert nullable bool? to bool
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You ultimately have to decide what the null bool will represent. If null should be false, you can do this:
bool newBool = x.HasValue ? x.Value : false;
Or:
bool newBool = x.HasValue && x.Value;
Or:
bool newBool = x ?? false;
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How to check if an int is a null
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An int is not null, it may be 0 if not initialized.
If you want an integer to be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can't...
Coding Style Guide for node.js apps? [closed]
Is there a (or several) coding style guide for node.js? If not, what are the emerging styles used by the top open-source node projects?
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Add line break to 'git commit -m' from the command line
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@MohamadAli, on Windows, commandline parsing works differently
– Simon Richter
Nov 3 '15 at 19:43
2
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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Finding duplicate rows in SQL Server
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are there any limitations in this query, for example if number of records is 10million plus ?
– Steam
Feb 6 '14 at 22:22
3
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