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Pragma in define macro
..._Pragma("argument")
which is equivalent to
#pragma argument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
For example,
#define STRINGIFY(a) #a
#define DEFINE_DELETE_OBJECT(type) \
void delete_ ## t...
How to safely open/close files in python 2.4
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See docs.python.org:
When you’re done with a file, call f.close() to close it and free up any system resources taken up by the open file. After calling f.close(), attempts to use the file object will automatically fail.
Hence use close() elegantly with try/finally:
f = ope...
Turning Sonar off for certain code
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This is a FAQ. You can put //NOSONAR on the line triggering the warning. I prefer using the FindBugs mechanism though, which consists in adding the @SuppressFBWarnings annotation:
@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(
value ...
Convert JsonNode into POJO
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In Jackson 2.4, you can convert as follows:
MyClass newJsonNode = jsonObjectMapper.treeToValue(someJsonNode, MyClass.class);
where jsonObjectMapper is a Jackson ObjectMapper.
In older versions of Jackson, it would be
MyClass newJsonNode =...
intellij - spring is not being recognized (Unmapped Spring configuration)
...hirishreddy It seemed to work a bit patchily for me. We had multiple application contexts for different testing setups though
– JonnyRaa
Feb 6 '15 at 9:12
add a comment
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Editing legend (text) labels in ggplot
...Overflow, but no solution seems to solve my problem. When using ggplot I can't get the right text in the legend, even though it's in my dataframe. I have tried scale_colour_manual , scale_fill_manual with different values for labels= such as c("T999", "T888")", "cols" .
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Difference between subprocess.Popen and os.system
...cmd" + " myarg", shell=True).wait()
The "improved" code looks more complicated, but it's better because once you know subprocess.Popen(), you don't need anything else. subprocess.Popen() replaces several other tools (os.system() is just one of those) that were scattered throughout three other Pyth...
Telling gcc directly to link a library statically
...,-Bstatic in order to tell gcc which libraries I want to link with statically. After all I'm telling gcc directly all other information about linking with libraries ( -Ldir , -llibname ).
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Use NUnit Assert.Throws method or ExpectedException attribute?
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The first allows you to test for more than one exception, with multiple calls:
Assert.Throws(()=>MethodThatThrows());
Assert.Throws(()=>Method2ThatThrows());
The second only allows you to test for one exception per test function.
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Renew Push certificate and keep current App Store App working
...Profile (Distribution) which is expired.
This Profile contains Push Certificate that's also expired (and does not appear anymore in the portal).
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