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Maintain git repo inside another git repo
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This is pretty much the use case for submodules. REPO-A and REPO-B are treated as git repos in their own right, with their own commits, origins, history, etc.
– Damien Wilson
Jan 11 '11 at 16:10
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How To Check If A Key in **kwargs Exists?
...seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...nil;
Will be transformed to:
NSError * __strong error = nil;
When you call your save method:
- ( BOOL )save: ( NSError * __autoreleasing * );
The compiler will then have to create a temporary variable, set at __autoreleasing. So:
NSError * error = nil;
[ database save: &error ];
Will ...
getResourceAsStream() vs FileInputStream
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The java.io.File and consorts acts on the local disk file system. The root cause of your problem is that relative paths in java.io are dependent on the current working directory. I.e. the directory from which the JVM (in your case: the webserver's one) is started. This...
promise already under evaluation: recursive default argument reference or earlier problems?
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Formal arguments of the form x=x cause this. Eliminating the two instances where they occur we get:
f <- function(x, T) {
10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80
}
g <- function(x, T, f. = f) { ## 1. note f.
exp(-f.(x...
How to require a controller in an angularjs directive
Can anyone tell me how to include a controller from one directive in another angularJS directive.
for example I have the following code
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Does every Javascript function have to return a value?
...//return type void
{
printf("%d\n", 123);
return;//return nothing, can be left out, too
}
//in JS:
function noReturn()
{
console.log('123');//or evil document.write
return undefined;//<-- write it or not, the result is the same
return;//<-- same as return undefined
}
Als...
When would you use .git/info/exclude instead of .gitignore to exclude files?
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The advantage of .gitignore is that it can be checked into the repository itself, unlike .git/info/exclude. Another advantage is that you can have multiple .gitignore files, one inside each directory/subdirectory for directory specific ignore rules, unlike .git/in...
Math.random() versus Random.nextInt(int)
...value which is uniformly distributed in the range 0 to n-1.
Prior to scaling by 6, the output of Math.random() is one of 2^53 possible values drawn from a uniform distribution.
Scaling by 6 doesn't alter the number of possible values, and casting to an int then forces these values into on...
Reference assignment operator in PHP, =&
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It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of one array or object mirror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote ...