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When to create a new app (with startapp) in Django?
...ill I need similar functionality on other sites?
If any of them is "Yes"? Then best to break it into a
separate application.
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RabbitMQ message size and types
...lt in method for converting to and from bytes. If you know it is a string then you know how to convert it back. The best option is to use a markup string like XML, JSON, or YML. This way you can convert objects to Strings and back again to the original objects; they work across programming langua...
How do you determine the size of a file in C?
...hange the definition to int so that error messages can be transmitted, and then use fseek() and ftell() to determine the file size.
int fsize(char* file) {
int size;
FILE* fh;
fh = fopen(file, "rb"); //binary mode
if(fh != NULL){
if( fseek(fh, 0, SEEK_END) ){
fclose(fh);
re...
jQuery - get a list of values of an attribute from elements of a class
...r. A little more intuitive / cleaner for me is to .get() the array first, then use .map() plus arrow function (browser support: caniuse.com/#search=arrow) to build the array with a little plain javascript: $(".object").get().map(x => x.getAttribute('level'));
– elPastor
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Run class in Jar file
...va -cp myjar.jar com.mypackage.myClass.
If the class is not in a package then simply java -cp myjar.jar myClass.
If you are not within the directory where myJar.jar is located, then you can do:
On Unix or Linux platforms:
java -cp /location_of_jar/myjar.jar com.mypackage.myClass
On Windows:
j...
How can I recover the return value of a function passed to multiprocessing.Process?
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Then I'm not sure. I think it'd be interesting to open a separate question for this.
– Mark
Nov 1 '16 at 11:27
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Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...s are never compiled. They are only preprocessed. The preprocessed code is then clubbed with the cpp file which is actually compiled. Now if the compiler has to generate the appropriate memory layout for the object it needs to know the data type of the template class.
Actually it must be understoo...
iOS 7 style Blur view
...ld be to use GPUImage to pull in the camera frames (via AV Foundation) and then have that output both to a GPUImageView for the live camera output and then in parallel be fed into a gaussian blur (and possibly a crop to match the position of the blurred view) and that output to another GPUImageView ...
Possible to do a MySQL foreign key to one of two possible tables?
... any, could be pushed into this places table.) Your popular_place_id would then be a foreign key reference to a row in the places table which would then lead you to a region, country, or state.
The solution you propose with a second column to describe the type of association happens to be how Rails...
.bashrc at ssh login
...u need to source it in your .bash_profile like this:
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
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