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What does “zend_mm_heap corrupted” mean
... 0x4C2F7E3: memcpy@@GLIBC_2.14 (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==9749== by 0x40061B: main (an.c:13)
==9749== Address 0x50 is not stack'd, malloc'd or (recently) free'd
==9749==
==9749==
==9749== Process terminating with default action of signal 11 (SIGSEGV): dumping co...
Common programming mistakes for Clojure developers to avoid [closed]
...raditional Java hexadecimal values via the 0x prefix. You can also use any base between 2 and 36 by using the "base+r+value" notation, such as 2r101010 or 36r16 which are 42 base ten.
Trying to return literals in an anonymous function literal
This works:
user> (defn foo [key val]
{key va...
Do a “git export” (like “svn export”)?
... You're right. I'd forgotten that I was using git config url.<base>.insteadOf to cache the remote repository. I was therefore using a file:// URL in reality. I doubt that git archive could ever work with git:// URLs since it needs to be able to run git-upload-archive at the remote en...
Best practices for SQL varchar column length [closed]
...n UK are usually between 1-35 characters. If you decide to make it varchar(64), you're not really going to hurt anything... unless you're storing this guy's family name that's said to be up to 666 characters long. In that case, maybe varchar(1028) makes more sense.
And in case it's helpful, here's ...
Passing command line arguments in Visual Studio 2010?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between NaN and None?
...n reason to use NaN (over None) is that it can be stored with numpy's float64 dtype, rather than the less efficient object dtype, see NA type promotions.
# without forcing dtype it changes None to NaN!
s_bad = pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype...
How to start an application without waiting in a batch file?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Is returning null bad design? [closed]
... check for it and hence your code does not need to follow a different path based on the return value. You might want to check out the Null Object Pattern which provides more information on this.
For example, if I were to define a method in Java that returned a Collection I would typically prefer t...
Why use Gradle instead of Ant or Maven? [closed]
...ology Radar from October 2012:
Two things have caused fatigue with XML-based build tools like Ant and
Maven: too many angry pointy braces and the coarseness of plug-in
architectures. While syntax issues can be dealt with through
generation, plug-in architectures severely limit the ability ...
error opening HPROF file: IOException: Unknown HPROF Version
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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