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Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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Object.getOwnPropertyNames vs Object.keys
What's the difference between Object.getOwnPropertyNames and Object.keys in javascript? Also some examples would be appreciated.
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How to output loop.counter in python jinja template?
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Worth mentioning that if you want a 0-based index, you can use loop.index0 instead.
– ereOn
Nov 5 '13 at 8:40
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Running Python on Windows for Node.js dependencies
...eanwhile, just using the set command only affects the current cmd session. If you reboot after that, as you say you did, you end up with a whole new cmd session that doesn't have that variable set in it.
There are a few ways to set environment variables permanently—the easiest is in the System Co...
BAT file: Open new cmd window and execute a command in there
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If you're using this to run a rails server you actually don't need to type cmd. You can just type start rails s.
– fbonetti
Jun 27 '13 at 17:51
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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
What is the difference between:
8 Answers
8
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What is database pooling?
...cally, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, authenticate, have authorisation checked, and so on. Pooling keeps the connections active so that, when a connection is later requested, one of the active ones ...
Get the string representation of a DOM node
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Ouch. So simple... Just a little note: If I want the whole document "stringified", I can use the same method with document.documentElement (usecase: AJAX requests). Perhaps you could incorporate that in the answer?
– Boldewyn
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Label under image in UIButton
...eneath the icon (sorta like the app buttons) however it seems to be quite difficult to achieve. Any ideas how can I go about get the text to display below the image with a UIButton ?
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How to connect to my http://localhost web server from Android Emulator
...rs to the device on which the code is running, in this case the emulator.
If you want to refer to the computer which is running the Android simulator, use the IP address 10.0.2.2 instead.
You can read more from here.
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