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How to set Java environment path in Ubuntu
...experience with Ubuntu, can anyone give some advice or suggest any good website for reference?
20 Answers
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Generating a random password in php
...om_pseudo_bytes(2);
$pwd = bin2hex($bytes);
It's taken from the php.net site and it creates a string which is twice the length of the number you put in the openssl_random_pseudo_bytes function. So the above would create a password 4 characters long.
In short...
$pwd = bin2hex(openssl_random_pse...
How to save an image locally using Python whose URL address I already know?
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@Yebach: The site you are downloading from may be using cookies, the User-Agent or other headers to determine what content to serve you. These will be different between your browser and Python.
– Liquid_Fire
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error opening HPROF file: IOException: Unknown HPROF Version
...ually: Help-> Install New Software: download.eclipse.org/mat/1.4/update-site
– joecks
Aug 6 '14 at 13:07
In my Ecli...
pypi UserWarning: Unknown distribution option: 'install_requires'
...egg running setup.py only picks up distutils dist.py, and not the one from site-packages/setuptools/.
Also the setuptools documentation hints to using ez_setup and not distutils.
However, setuptools is itself provided by distribute nowadays, and that flavor of setup() supports install_requires.
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Deploying my application at the root in Tomcat
...ed a new ROOT directory was created with my stuff in it e.g. WEB-INF. The site is running. Is this the way it's supposed to work?
– logixplayer
Jul 20 '15 at 6:25
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jQuery add required to input fields
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@Alnitak Not if you're working on making a site compatible with IE, prop() doesn't work on there as it does on modern browsers. Still best to use $(ele).attr("required", true) and false to remove.
– Oliver Heward
Jun 18 at 15:09
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Make .gitignore ignore everything except a few files
...ery clever, thanks. IMO, this is the best way to go about it for WordPress sites with the minimum number of inclusion rules. Also, any new plugins, themes or WP updates aren't removed or added without your express permission. When using GitHub Desktop I find .DS_Store files are not ignored, but via ...
Most efficient way to concatenate strings?
... 1000 then StringBuilder should be used.
For more information, check this site.
string.Join() vs string.Concat()
The string.Concat method here is equivalent to the string.Join method invocation with an empty separator. Appending an empty string is fast, but not doing so is even faster, so...
Easy way to test a URL for 404 in PHP?
...ll fix in a second.) You can see the documentation for curl_exec on PHP's site.
– strager
Jan 3 '09 at 1:24
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