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Are there any standard exit status codes in Linux?
...tus 2 when called incorrectly (unknown options, wrong number of arguments, etc.) For example, diff -N, grep -Y or diff a b c will all result in $? being set to 2. This is and has been the practice since the early days of Unix in the 1970s.
The accepted answer explains what happens when a command i...
Block Declaration Syntax List
...on Syntaxes
Throughout, let
return_type be the type of object/primitive/etc. you'd like to return (commonly void)
blockName be the variable name of the block you're creating
var_type be the type object/primitive/etc. you'd like to pass as an argument (leave blank for no parameters)
varName be the...
JVM option -Xss - What does it do exactly?
...he stack is used to hold return addresses, function/method call arguments, etc. So if a thread tends to process large structures via recursive algorithms, it may need a large stack for all those return addresses and such. With the Sun JVM, you can set that size via that parameter.
...
Git diff to show only lines that have been modified
...onal git diff options such as -R, --src-prefix, --dst-prefix, --no-prefix, etc.
The two greps can be combined into a single grep -E -v '^(\+\+\+ b/|--- a/|@@ |diff --git|index )', but I find the double grep version easier to understand.
...
Why do we use arrays instead of other data structures?
... at most two children. You can have a binary tree with the elements in any order. The binary search tree is organized as you describe.
– gnud
Jan 2 '09 at 20:37
1
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What are the implications of using “!important” in CSS? [duplicate]
..., including author !important rules: w3.org/TR/CSS2/cascade.html#cascading-order
– ANeves thinks SE is evil
Oct 25 '11 at 9:45
1
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Why do we need to install gulp globally and locally?
...dencies": {
"gulp": "3.5.2"
}
"scripts": {
"test": "gulp test"
}
etc. and running with npm run test then you shouldn't need the global install at all.
Both methods are useful for getting people set up with your project since sudo isn't needed. It also means that gulp will be updated when ...
Undo working copy modifications of one file in Git?
...e is a reference to the sha of a commit, in any form (branch, tag, parent, etc.)
– Lakshman Prasad
Mar 2 '10 at 15:46
31
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Correct way to define C++ namespace methods in .cpp file
... - because their scope is never reopened (unlike namespaces, global scope, etc.).
Num.1 this can fail with scopes other than classes - anything that can be reopened. So, you may declare a new function in a namespace using this approach, or your inlines could wind up being substituted via ODR. You w...
Difference between static STATIC_URL and STATIC_ROOT on Django
...com/static/. now you only need to serve this directory on apache or nginx..etc.
STATIC_URL
The URL of which the static files in STATIC_ROOT directory are served(by Apache or nginx..etc).
Example: /static/ or http://static.example.com/
If you set STATIC_URL = 'http://static.example.com/', t...