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Convert a series of parent-child relationships into a hierarchical tree?
...d/parent pairs to a tree structure and another recursive function to print it out. Only one function would suffice but here's two for clarity (a combined function can be found at the end of this answer).
First initialize the array of child/parent pairs:
$tree = array(
'H' => 'G',
'F' =&...
How to make lists contain only distinct element in Python? [duplicate]
I have a list in Python, how can I make it's values unique?
10 Answers
10
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Interface type check with Typescript
This question is the direct analogon to Class type check with TypeScript
16 Answers
1...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
...collection mapping.
This happens because you have a collection in your entity, and that collection has one or more items which are not present in the database. By specifying the above options you tell hibernate to save them to the database when saving their parent.
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What is causing “Unable to allocate memory for pool” in PHP?
I've occasionally run up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Android studio, gradle and NDK
...ill stay a preview even after 1.3 becomes final. No current ETA as to when it'll be final (as of 2015/07/10).
More information here: http://tools.android.com/tech-docs/android-ndk-preview
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Create an array with same element repeated multiple times
...
You can do it like this:
function fillArray(value, len) {
if (len == 0) return [];
var a = [value];
while (a.length * 2 <= len) a = a.concat(a);
if (a.length < len) a = a.concat(a.slice(0, len - a.length));
return a;
}
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
... FOR loop is static in nature; you cannot modify the loop variable between iterations, unlike the for(initialization;condition;increment) loop structure in other languages. This means that the following code always prints 1, 2, 3, 4, 5 regardless of the value of B.
A = 1:5;
for i = A
A = B;
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Run batch file as a Windows service
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+1 Never heard of this one but it very nice. NSSM does not suck indeed!
– Byron Whitlock
Jan 27 '13 at 22:17
1
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Difference between modes a, a+, w, w+, and r+ in built-in open function?
...defines them as follows:
The argument mode points to a string beginning with one of the following
sequences (Additional characters may follow these sequences.):
``r'' Open text file for reading. The stream is positioned at the
beginning of the file.
``r+'' Open for reading and wr...