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Modern way to filter STL container?
Coming back to C++ after years of C# I was wondering what the modern - read: C++11 - way of filtering an array would be, i.e. how can we achieve something similar to this Linq query:
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Python: Select subset from list based on index set
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@85: why are you worrying about performance? Write what you have to do, if it is slow, then test to find bottlenecks.
– Gary Kerr
Jul 5 '10 at 11:39
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Difference between dispatch_async and dispatch_sync on serial queue?
...(1000);printf("1"); });
dispatch_async(_serialQueue, ^{ printf("2"); });
What may happened is
Thread 1: dispatch_async a time consuming task (task 1) to serial queue
Thread 2: start executing task 1
Thread 1: dispatch_async another task (task 2) to serial queue
Thread 2: task 1 finished. start ...
How to create an empty file at the command line in Windows?
... @Agent_9191: true, I have updated my answer. @Greg: not sure what you mean: rem>filename produces the same result (2 bytes)
– VonC
Nov 9 '09 at 18:33
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How to extract the n-th elements from a list of tuples?
...en use it) - but it's good to be reminded now and then so you know where / what to look for...
– Daren Thomas
Jul 22 '10 at 13:14
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A non well formed numeric value encountered
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With parameter typing in PHP becoming more the 'norm', what @MarcosDiPaolo mentioned will definitely be seen more frequently. A dead giveaway is the stack trace will point to the line of the parameter declaration that's being incorrectly typed.
– parttimetur...
Selecting last element in JavaScript array [duplicate]
...Don’t modify objects you don’t own—especially not native prototypes. What happens when JavaScript comes around to implementing the same method name in ES spec but it’s slightly different from yours? Bad things. Prototype and Sugar.js both modify natives. In the end they’ve both cost me and...
Prevent “overscrolling” of web page
...age (for lack of a better word), as shown in the screenshot below, to see "what's behind", similar to the iPad or iPhone.
8...
HTTP GET request in JavaScript?
I need to do an HTTP GET request in JavaScript. What's the best way to do that?
27 Answers
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Android: ProgressDialog.show() crashes with getApplicationContext
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Which API version are you using? If I'm right about what the problem is then this was fixed in Android 1.6 (API version 4).
It looks like the object reference that getApplicationContext() is returning just points to null. I think you're having a problem similar to one I had i...