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How to check if running in Cygwin, Mac or Linux?
.../4/2) 2008-06-12 19:34 i686 Cygwin
pax> uname -s
CYGWIN_NT-5.1
And, according to the very helpful schot (in the comments), uname -s gives Darwin for OSX and Linux for Linux, while my Cygwin gives CYGWIN_NT-5.1. But you may have to experiment with all sorts of different versions.
So the bash c...
Accessing an array out of bounds gives no error, why?
...ar to work correctly.
The language simply says what should happen if you access the elements within the bounds of an array. It is left undefined what happens if you go out of bounds. It might seem to work today, on your compiler, but it is not legal C or C++, and there is no guarantee that it'll st...
Stack smashing detected
...
357
Stack Smashing here is actually caused due to a protection mechanism used by gcc to detect buf...
Why would finding a type's initializer throw a NullReferenceException?
...s, System.Type[], System.Reflection.ParameterModifier[])+0xa3:
000007fe`e5735403 488b4608 mov rax,qword ptr [rsi+8] ds:00000000`00000008=????????????????
Trying to load from [rsi+8] when @rsi is NULL. Lets inspect the function:
0:000> ln 000007fe`e5735403
(000007fe`e5735360) mscor...
What are the most-used vim commands/keypresses?
...racters
s change single character
cw change word; C change to end of line; cc change whole line
c<motion> changes text in the direction of the motion
ci( change inside parentheses (see text object selection for more examples)
Deleting
x delete char
dw delete word; D delete to end of line; ...
Python vs Cpython
...inguish between a language and an implementation. Python is a language,
According to Wikipedia, "A programming language is a notation for writing programs, which are specifications of a computation or algorithm". This means that it's simply the rules and syntax for writing code. Separately we have...
Difference between `constexpr` and `const`
...ojapanjogojapan
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How to get Android crash logs?
I have an app that is not in the market place (signed with a debug certificate), but would like to get crash log data, whenever my application crashes. Where can I find a log of why my app crashed?
...
How to drop columns by name in a data frame
...
which is not neccessary, see Ista's answer. But the subset with - is nice! Didn't know that!
– TMS
Jul 25 '13 at 19:03
5...
best way to preserve numpy arrays on disk
...e(f,c)
f.close()
f = file("tmp.bin","rb")
aa = np.load(f)
bb = np.load(f)
cc = np.load(f)
f.close()
To save multiple arrays in one file, you just need to open the file first, and then save or load the arrays in sequence.
...