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“simple” vs “current” push.default in git for decentralized workflow
...hat has the same name:
$ git config push.default current
$ git push
Total 0 (delta 0), reused 0 (delta 0)
To /Documents/GitHub/bare
* [new branch] foo-> foo
The Documentation
From the Git configuration documentation:
upstream - push the current branch to its upstream branch...
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Query for array elements inside JSON type
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edited Jun 20 at 9:12
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111 silver badge
answered Mar 29 '14 at 22:25
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Multiple commands on a single line in a Windows batch file
...ng on delayed expansion:
pax> cmd /v:on /c "echo !time! & ping 127.0.0.1 >nul: & echo !time!"
15:23:36.77
15:23:39.85
That's needed from the command line. If you're doing this inside a script, you can just use setlocal:
@setlocal enableextensions enabledelayedexpansion
@echo off
ec...
Which, if any, C++ compilers do tail-recursion optimization?
...s such as:
int bar(int, int);
int foo(int n, int acc) {
return (n == 0) ? acc : bar(n - 1, acc + 2);
}
int bar(int n, int acc) {
return (n == 0) ? acc : foo(n - 1, acc + 1);
}
Letting the compiler do the optimisation is straightforward: Just switch on optimisation for speed:
For MSVC,...
how to use “AND”, “OR” for RewriteCond on Apache?
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120
This is an interesting question and since it isn't explained very explicitly in the documentatio...
Unittest setUp/tearDown for several tests
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edited Dec 5 '11 at 20:13
answered Dec 5 '11 at 19:56
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Do you use NULL or 0 (zero) for pointers in C++?
...as bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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Returning an array using C
...t (shouldn't) do this:
char *returnArray(char array []){
char returned [10];
//methods to pull values from array, interpret them, and then create new array
return &(returned[0]); //is this correct?
}
returned is created with automatic storage duration and references to it will become inva...
python re.sub group: number after \number
...
330
The answer is:
re.sub(r'(foo)', r'\g<1>123', 'foobar')
Relevant excerpt from the docs:
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What is the colon operator in Ruby?
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250
:foo is a symbol named "foo". Symbols have the distinct feature that any two symbols named the s...