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Ant task to run an Ant target only if a file exists?
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200
Available and Condition
<target name="check-abc">
<available file="abc.txt" prope...
If my interface must return Task what is the best way to have a no-operation implementation?
...ask.CompletedTask to accomplish this.
Pre .net 4.6:
Using Task.FromResult(0) or Task.FromResult<object>(null) will incur less overhead than creating a Task with a no-op expression. When creating a Task with a result pre-determined, there is no scheduling overhead involved.
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Safely turning a JSON string into an object
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1990
JSON.parse(jsonString) is a pure JavaScript approach so long as you can guarantee a reasonably m...
Delete files older than 3 months old in a directory using .NET
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answered Feb 8 '10 at 14:57
Steve DannerSteve Danner
20.3k77 gold badges3333 silver badges4848 bronze badges
...
What is causing “Unable to allocate memory for pool” in PHP?
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90
Probably is APC related.
For the people having this problem, please specify you .ini settings....
How to check whether an array is empty using PHP?
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20 Answers
20
Active
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Convert int to string?
... |
edited Mar 14 at 1:20
answered Jun 21 '10 at 3:15
Ant...
JavaScript: remove event listener
... variable needs to be outside the handler to increment.
var click_count = 0;
function myClick(event) {
click_count++;
if(click_count == 50) {
// to remove
canvas.removeEventListener('click', myClick);
}
}
// to add
canvas.addEventListener('click', myClick);
EDIT: You...
Are there strongly-typed collections in Objective-C?
...<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' with an expression of type 'NSString *'
And in Swift code, they will produce a compiler error:
var str: String ...
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