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Placeholder in IE9
...h ie9 the placeholder disappears when the text input is on focus. This is different than HTML5 behavior
– gerrytan
Apr 8 '14 at 1:35
1
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How to check if a json key exists?
So, I get some JSON values from the server but I don't know if there will be a particular field or not.
13 Answers
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What is the simplest and most robust way to get the user's current location on Android?
...Some may be disabled on the device, some may be disabled in application manifest.
If any provider is available I start location listeners and timeout timer. It's 20 seconds in my example, may not be enough for GPS so you can enlarge it.
If I get update from location listener I use the provided value...
Why is it considered a bad practice to omit curly braces? [closed]
...t's ever really bit me was when I was debugging, and commented out bar():
if(foo)
// bar();
doSomethingElse();
Other than that, I tend to use:
if(foo) bar();
Which takes care of the above case.
EDIT Thanks for clarifying the question, I agree, we should not write code to the lowest common d...
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...
Is it possible to use 'else' in a list comprehension? [duplicate]
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The syntax a if b else c is a ternary operator in Python that evaluates to a if the condition b is true - otherwise, it evaluates to c. It can be used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2,...
How to check if a file exists from inside a batch file [duplicate]
I need to run a utility only if a certain file exists. How do I do this in Windows batch?
3 Answers
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Are “elseif” and “else if” completely synonymous?
Are elseif and else if completely synonymous, or is there a difference?
2 Answers
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Pythonic way to check if a file exists? [duplicate]
Which is the preferred way to check if a file exists and if not create it?
5 Answers
5...