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Cropping an UIImage
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Not sure why it was down voted, I thought it was a good answer. The only thing I can think of is that it doesn't handle scaling so it will not work if you have @2x/@3x images and your function names don't match up.
– Willia...
Check if a given key already exists in a dictionary
...y on dicts, was 363.235070 using "key in dict.keys()" and drastically went down to 0.260186 solely by removing the call for "keys()"
– Ido_f
Jan 26 '15 at 18:15
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How big can a MySQL database get before performance starts to degrade
...ce. If we ever had to recover from a disaster using a SQL backup, we'd be down for days.
Horizontally scaling SQL is also pretty painful, and in most cases leads to using it in ways you probably did not intend when you chose to put your data in SQL in the first place. Shards, read slaves, multi-ma...
How do I hide .class files from the Open Resource dialog in Eclipse?
...e 'Open Resource' dialog there is an arrow you can click to bring up a dropdown menu for filtering. Uncheck the 'Show Derived Resources' option, if it is checked.
If you still see '.class' files, they probably aren't being marked as derived. If they're by themselves in their own folder hierarchy ...
Why is the use of alloca() not considered good practice?
...same fear of local arrays or recursion (in fact many people who will shout down alloca() will praise recursion because it "looks elegant"). I agree with Shaun's advice ("alloca() is fine for small allocations") but I disagree with the mindset that frames alloca() as uniquely evil among the 3 -- the...
Globally catch exceptions in a WPF application?
...the app.config will prevent your secondary threads exception from shutting down the application.
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What is the point of function pointers?
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Most examples boil down to callbacks: You call a function f() passing the address of another function g(), and f() calls g() for some specific task. If you pass f() the address of h() instead, then f() will call back h() instead.
Basically, t...
Custom Adapter for List View
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seems to be down (404), do you know where it hides by now?
– hotzen
Aug 8 '14 at 16:58
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How do I obtain crash-data from my Android application?
..., real-time crash data didn't come through. Debug mode didn't work. I went down the initialize-once route from Application class though (which is what makes sense for most cases). BugSense has an amazing dashboard, such a shame that for some reason crash reports don't work and symbolication is not i...
Add text to Existing PDF using Python
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You may have better luck breaking the problem down into converting PDF into an editable format, writing your changes, then converting it back into PDF. I don't know of a library that lets you directly edit PDF but there are plenty of converters between DOC and PDF for ex...