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How do I perform the SQL Join equivalent in MongoDB?
...mmend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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Delegates in swift?
...myVCDidFinish Becouse if delegate is not set the cod wont execute now :) In your version it will try to execute and will fail to unwrap if delegate is nil and you it is.
– Shial
Nov 1 '14 at 13:07
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__getattr__ on a module
...module replace sys.modules[__name__] with an instance of your class -- and now you can play with __getattr__/__setattr__/__getattribute__ as needed.
Note 1: If you use this functionality then anything else in the module, such as globals, other functions, etc., will be lost when the sys.modules as...
Vertically centering Bootstrap modal window
..., on click of inside modal elements, but this is 100% working for me as of now, using the example in the Fiddle above. Thanks so much for your help and all the comments above.
– Michael G
Jun 27 '15 at 19:39
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Is it safe to delete a void pointer?
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No, of course not. It still says it's UB. Even more so, now it states it normatively that deleting void* is UB :)
– Johannes Schaub - litb
Jun 3 '09 at 16:52
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.gitignore exclude folder but include specific subfolder
...erstood when the reverted patterns don't work. With your explanation, it's now clear. The gitignore documentation needs a "recipe" section to explain how to do this.
– seh
May 13 '11 at 0:32
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Passing by reference in C
...ass-by-reference
We change the piece of code slightly. param is a pointer now.
#include <stdio.h>
void function2(int *param) {
printf("I've received value %d\n", *param);
(*param)++;
}
int main(void) {
int variable = 111;
function2(&variable);
printf("variable %d\n...
How to make layout with rounded corners..?
...ith no padding)
The ImageView (including anything else in the layout) will now be clipped to the outer layout's rounded shape.
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What is the difference between GitHub and gist?
...at can be shared.
Similar to this comment scratch pad that I am typing on now, but a bit more elaborate.
Whereas, an official, full GitHub repo is a full blown repository of source code src, supporting documents ( markdown or html, or both ) docs or root, images png, ico, svg, and a config.sys fil...
Chaining multiple MapReduce jobs in Hadoop
...rs for the job.
I think that the above method might however be the way the now older mapred API did it, but it should still work. There will be a similar method in the new mapreduce API but i'm not sure what it is.
As far as removing intermediate data after a job has finished you can do this in your...