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bash HISTSIZE vs. HISTFILESIZE?
...ntain HISTFILESIZE=10 lines.
You now have 10 commands in your history - 5 from a previous session and the last 5 that you just typed in the session you just finished.
When you start a new session, you start over at 1 with a HISTFILE of HISTFILESIZE=10.
Example 3:
HISTFILESIZE=5 and HISTSIZE=10
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HEAD and ORIG_HEAD in Git
...ich "git commit" would make a new one. " -- good to remember, thanks! Also from @VonC, 'It is the commit "git commit" builds on top of, and "git diff --cached" and "git status" compare against.'
– Minqi Pan
May 7 '12 at 2:13
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Is there a “null coalescing” operator in JavaScript?
...are considered NOT NULL and therefore count as actual values. If you come from a .net background, this will be the most natural feeling solution.
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How to get a reference to current module's attributes in Python
...tion or method, this is the module
where it is defined, not the module
from which it is called).
http://docs.python.org/library/functions.html#globals
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remove all variables except functions
...side note, I'll be darned if I can figure the difference between those two from their documentation).
– Josh O'Brien
Nov 29 '11 at 17:04
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Loop backwards using indices in Python?
I am trying to loop from 100 to 0. How do I do this in Python?
15 Answers
15
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How to change a command line argument in Bash?
...ded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "$1" "$2" in this case, but it is much more useful when you want to replace e.g. "${17}".
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C++ Tuple vs Struct
...on about tuple and struct and I write some simple benchmarks with the help from one of my colleague to identify the differences in term of performance between tuple and struct. We first start with a default struct and a tuple.
struct StructData {
int X;
int Y;
double Cost;
std::str...
The resulting API analysis is too large when upload app to mac store
...ppears to have abandoned her work and removed any trace of the application from her website.
Chimp Studios created App Scanner to do the same thing, but it hasn't been updated since 2011. Unfortunately, for large projects -- and this includes projects with a lot of extra pods from CocoaPods -- ther...
Using a constant NSString as the key for NSUserDefaults
...se constants should be defined as static if they are only going to be used from within a single file. I say this because I have run across this problem myself: if you do not declare them as static, then they will exist in the global namespace, and you will not be able to use a variable with the same...