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How to get current time and date in C++?
Is there a cross-platform way to get the current date and time in C++?
24 Answers
24
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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Is there a generator version of `string.split()` in Python?
...offset parameter of the str.find() method. This avoids lots of memory use, and relying on the overhead of a regexp when it's not needed.
[edit 2016-8-2: updated this to optionally support regex separators]
def isplit(source, sep=None, regex=False):
"""
generator version of str.split()
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LINUX: Link all files from one to another directory [closed]
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This does not include hidden files, and it links whole directories. If either of these is not what you want, see my answer. Otherwise, it's the shortest way.
– Cascabel
Aug 28 '09 at 14:17
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mongod, mac os x - rlimits warning [closed]
I've been using mongo on my mac os x 10.8 and suddenly yesterday at my logs appeared this warning (and when starting shell it's present too) -
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How to jump to a particular line in a huge text file?
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MiniQuark, I tried it, it actually works, and really quickly. I'll need to see what happens if I work on a dozen of files at the same time this way, find out at what point my system dies.
– user63503
Mar 6 '09 at 22:46
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What is a proper naming convention for MySQL FKs?
... users(user_id);
I try to stick with the same field names in referencing and referenced tables, as in user_id in the above example. When this is not practical, I also append the referenced field name to the foreign key name.
This naming convention allows me to "guess" the symbolic name just by l...
Default value of a type at Runtime [duplicate]
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There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases:
object GetDefaultValue(Type t)
{
if (t.IsValueType)
return Activator.CreateInstance(...
What is the Difference Between read() and recv() , and Between send() and write()?
What is the difference between read() and recv() , and between send() and write() in socket programming in terms of performances, speed and other behaviors?
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LINQ: Not Any vs All Don't
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Implementation of All according to ILSpy (as in I actually went and looked, rather than the "well, that method works a bit like ..." I might do if we were discussing the theory rather than the impact).
public static bool All<TSource>(this IEnumerable<TSource> source, Func<...