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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...orry about converting characters or
losing data when upgrading utf8 data from older versions of MySQL.
So to support these characters, your MySQL needs to be 5.5+ and you need to use utf8mb4 everywhere. Connection encoding needs to be utf8mb4, character set needs to be utf8mb4 and collaction nee...
Inspecting standard container (std::map) contents with gdb
... Thanks for the link; the only thing is that macros are dependent from the stl libraries version, which I'd prefer to avoid. +1
– Paolo Tedesco
Jan 9 '09 at 10:41
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Should one use < or
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I remember from my days when we did 8086 Assembly at college it was more performant to do:
for (int i = 6; i > -1; i--)
as there was a JNS operation that means Jump if No Sign. Using this meant that there was no memory lookup afte...
Understanding FFT output
...ioned by you in point 1) is, in general? In my case, on a signal of values from an accelerometer (is m/s^2). I can't quite figure it out.
– Markus Wüstenberg
Jan 27 '14 at 17:19
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Accessing attributes from an AngularJS directive
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See section Attributes from documentation on directives.
observing interpolated attributes: Use $observe to observe the value changes of attributes that contain interpolation (e.g. src="{{bar}}"). Not only is this very efficient but it's also t...
Can “using” with more than one resource cause a resource leak?
C# lets me do the following (example from MSDN):
5 Answers
5
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Enum Naming Convention - Plural
...w to further elaborate, although it looks ugly, if you need a single value from a flag enum use the singular form for the field/property/argument. If you support it having multiple flags set, use the plural. If your enum is not a flags enum, use the singular for the type name and the field/property/...
JSON and XML comparison [closed]
... little background:
edit: I should mention that this comparison is really from the perspective of using them in a browser with JavaScript. It's not the way either data format has to be used, and there are plenty of good parsers which will change the details to make what I'm saying not quite valid.
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Saving timestamp in mysql table using php
...estamp is only a representation of a date, and vice versa. You can convert from timestamp to date with the function jimy told you, and the other way with strtotime. edit: btw, timestamp only covers a range of all possible dates (1970-01-01 to xx-xx-2032 I think)
– Carlos Campde...
How do you test that a Python function throws an exception?
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Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example:
import mymod
class MyTestCase(unittest.TestCase):
def test1(self):
self.assertRaises(SomeCoolException, mymod.myfunc)
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