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How do you get current active/default Environment profile programmatically in Spring?
...ieve similar functionality using the annotation @Profile("local") Profiles allow for selective configuration based on a passed-in or environment parameter. Here is more information on this technique: Spring Profiles
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Move existing, uncommitted work to a new branch in Git
...ve your current branch as it is, create and checkout a new branch and keep all your changes. You can then stage changes in files to commit with:
git add <files>
and commit to your new branch with:
git commit -m "<Brief description of this commit>"
The changes in the working direct...
Find an element in DOM based on an attribute value
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Update: In the past few years the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this.
There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it ...
Using smart pointers for class members
...seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this:
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Gray out image with CSS?
...initely doesn't work in IE10, IE11, FF26, Safari 5.1.x (Win7 x64), or basically anything outside of Chrome (example.)
– nickb
Feb 10 '14 at 8:56
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virtualenv --no-site-packages and pip still finding global packages?
... My hero! If you just want to check if that is your issue really quickly, you can run printenv to see if PYTHONPATH is there, and if it is, run unset PYTHONPATH. You'll still have to go track down the problem if you don't want the issue to pop up anymore, but that'll let you get a fr...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...e to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed!
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What is the equivalent of “none” in django templates?
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None, False and True all are available within template tags and filters. None, False, the empty string ('', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do
{% if profile.user.first_name == None...
Why start a shell command with a backslash?
...t there are also other well known ways to quote: single and double quotes. All of the following will suppress alias substitution:
\curl
cur\l
\c\u\r\l
"c"url
"curl"
"c""u""r""l"
'curl'
'cu'"rl"
Using \curl is just the most common and readable way. Since this is a standardized feature, you...
How do I seed a random class to avoid getting duplicate random values [duplicate]
... be far from uniform distribution.
For the sake of completeness, if you really need to reseed a Random, you'll create a new instance of Random with the new seed:
rnd = new Random(newSeed);
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