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How do I get the type of a variable?
...her in code with something like gcc.gnu.org/onlinedocs/libstdc++/manual/ext_demangling.html, with command line utilities such as c++filt, or with any of various online demanglers such as demangler.com.
– cincodenada
Dec 11 '18 at 19:14
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filtering NSArray into a new NSArray in Objective-C
...Implicit conversion of 'NSUInteger' (aka 'unsigned long') to 'NSIndexSet * _Nonnull' is disallowed with ARC... it expects NSIndexSets
– anoop4real
Apr 28 at 8:01
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What is “thread local storage” in Python, and why do I need it?
...ced in there. If you're curious about its implementation, the source is in _threading_local.py in the standard library.
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Virtual/pure virtual explained
...Shape();
std::string getName() // not overridable
{
return m_name;
}
void setName( const std::string& name ) // not overridable
{
m_name = name;
}
protected:
virtual void initShape() // overridable
{
setName("Generic Shape");
}
privat...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...ing for is adjusting the savefig call to:
fig.savefig('samplefigure', bbox_extra_artists=(lgd,), bbox_inches='tight')
#Note that the bbox_extra_artists must be an iterable
This is apparently similar to calling tight_layout, but instead you allow savefig to consider extra artists in the calculatio...
How can I determine installed SQL Server instances and their versions?
...
You could query this registry value to get the SQL version directly:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\90\Tools\ClientSetup\CurrentVersion
Alternatively you can query your instance name and then use sqlcmd with your instance name that you would like:
To see your insta...
Static variables in member functions
...If you are concerned about name conflicts, you could add a prefix such as m_ to indicate the status of i.
– Carl Morris
Oct 13 '14 at 17:37
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Is Safari on iOS 6 caching $.ajax results?
..."no-cache" just to POSTs if you wish like this in Apache:
SetEnvIf Request_Method "POST" IS_POST
Header set Cache-Control "no-cache" env=IS_POST
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Is the order of iterating through std::map known (and guaranteed by the standard)?
...be clear the "efficient lookup" is relative. Technically the std::unordered_map has a more efficient lookup time of O(1). The advantage of std::map is in key ordering, but not lookup.
– Adam Johnston
May 25 at 1:54
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Generate random numbers uniformly over an entire range
...t generate numbers uniformly (it depends on the range and the value of RAND_MAX), and is therefore discouraged.
C++11 and generation over a range
With C++11 multiple other options have risen. One of which fits your requirements, for generating a random number in a range, pretty nicely: std::uniform_...