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git pull fails “unable to resolve reference” “unable to update local ref”
Using git 1.6.4.2, when I tried a git pull I get this error:
31 Answers
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What is the maximum recursion depth in Python, and how to increase it?
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It is a guard against a stack overflow, yes. Python (or rather, the CPython implementation) doesn't optimize tail recursion, and unbridled recursion causes stack overflows. You can check the recursion limit with sys.getrecurs...
What's the difference between a continuation and a callback?
...wsing all over the web in search of enlightenment about continuations, and it's mind boggling how the simplest of explanations can so utterly confound a JavaScript programmer like myself. This is especially true when most articles explain continuations with code in Scheme or use monads.
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CSS Background Opacity [duplicate]
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Children inherit opacity. It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
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How does delete[] “know” the size of the operand array?
...array's boundaries to delete[] . But where is that information stored? Is it standardised?
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What is a callback?
What's a callback and how is it implemented in C#?
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How to connect android emulator to the internet
... have a LAN card installed, the issue is that the emulator tries to obtain its DNS settings from that LAN card. Not a problem when you're connected via that LAN, but utterly useless if you're on a wireless connection. I noticed this when I was on my laptop.
So, how to fix? Simple: Disable your LAN ...
Getting “cannot find Symbol” in Java project in Intellij
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Select Build->Rebuild Project will solve it
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
How do I delete a directory and its entire contents (files and subdirectories) in PHP?
21 Answers
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What is an Android PendingIntent?
... predefined piece of code.
If you give the foreign application an Intent, it will execute your Intent with its own permissions. But if you give the foreign application a PendingIntent, that application will execute your Intent using your application's permission.
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