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Sending POST data in Android

... * Updated Answer which works on Android 6.0+. Thanks to @Rohit Suthar, @Tamis Bolvari and @sudhiskr for the comments. * public class CallAPI extends AsyncTask<String, String, String> { public CallAPI(){ //set context variables if required ...
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How do I run multiple background commands in bash in a single line?

... Exactly how do you want them to run? If you want them to be started in the background and run sequentially, you would do something like this: (sleep 2; sleep 3) & If, on the other hand, you would like them to run in parallel in the background, you...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

...ory, and the results come spilling out. From my reading of the docs, iterator() does nothing more than bypass QuerySet's internal caching mechanisms. I think it might make sense for it to a do a one-by-one thing, but that would conversely require ten-million individual hits on your database. Mayb...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...fference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. ...
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How does tuple comparison work in Python?

...mpared position by position: the first item of the first tuple is compared to the first item of the second tuple; if they are not equal (i.e. the first is greater or smaller than the second) then that's the result of the comparison, else the second item is considered, then the third and so on. See C...
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How do I store data in local storage using Angularjs?

Currently I am using a service to perform an action, namely retrieve data from the server and then store the data on the server itself. ...
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How to convert integer timestamp to Python datetime

...s, but nothing matches. I'm pretty sure that particular number corresponds to the current date (e.g. 2012-3-16), but not much more. ...
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How do I specify the Linq OrderBy argument dynamically?

How do I specify the argument passed to orderby using a value I take as a parameter? 11 Answers ...
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Is there a git-merge --dry-run option?

... As noted previously, pass in the --no-commit flag, but to avoid a fast-forward commit, also pass in --no-ff, like so: $ git merge --no-commit --no-ff $BRANCH To examine the staged changes: $ git diff --cached And you can undo the merge, even if it is a fast-forward merge: ...
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Seeing escape characters when pressing the arrow keys in python shell

...ells like the interactive python shell, you can usually use the arrow keys to move around in the current line or get previous commands (with arrow-up) etc. ...