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Updating MySQL primary key
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11
If the primary key happens to be an auto_increment value, you have to remove the auto increment...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...ull
IL_0002: stloc.0 // s
IL_0003: ldloc.0 // s
IL_0004: callvirt System.String.get_Length
IL_0009: call System.Console.WriteLine
It is the callvirt opcode that throws the NullReferenceException and it does that when the first argument on the evaluation stack is a null ...
How to properly add cross-site request forgery (CSRF) token using PHP
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Community♦
111 silver badge
answered Jun 9 '11 at 3:57
datasagedatasage
17.9k22 gold badg...
In Python, how does one catch warnings as if they were exceptions?
...ationWarning)
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
# Trigger a warning.
fxn()
# Verify some things
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert ...
Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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How to call C from Swift?
Is there a way to call C routines from Swift?
6 Answers
6
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Django Setup Default Logging
...can't seem to figure out how to setup a "default" logger for my Django installation. I would like to use Django 1.3's new LOGGING setting in settings.py .
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How do I discover memory usage of my application in Android?
How can I find the memory used on my Android application, programmatically?
9 Answers
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What is the most robust way to force a UIView to redraw?
...ouble with that, you're likely running into one of these issues:
You're calling it before you actually have the data, or your -drawRect: is over-caching something.
You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
How to trigger event when a variable's value is changed?
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answered Apr 30 '11 at 14:25
Jonathan WoodJonathan Wood
57.9k6262 gold badges216216 silver badges355355 bronze badges
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