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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
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You can't do this with a HTML select tag, but you can do it with JavaScript and HTML. There are variety of existing controls that do this - for instance, the "suggest" list attached to the SO "interesting/ignored tag" entry, or Gmail's lookup for email adresses.
There are many JavaScript+HTML...
How do I use installed packages in PyCharm?
... know how to specify the jar file and that it is supposed to be used by my script. Could you help me further?
– JRsz
May 15 '18 at 20:32
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git: How to ignore all present untracked files?
...hort because manual states "Give the output in an easy-to-parse format for scripts. This is similar to the short output, but will remain stable across git versions and regardless of user configuration." So we have both the parseability and stability;
grep '^??' filters only the lines starting with ?...
Remove folder and its contents from git/GitHub's history
...y using filter-branch directly can lead to issues.
Most of the multi-line scripts above to remove dir from the history could be re-written as:
git filter-repo --path dir --invert-paths
The tool is more powerful than just that, apparently. You can apply filters by author, email, refname and more...
Understanding Apache's access log
...>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request...
How do I check CPU and Memory Usage in Java?
... @ComputerScientist Because free is actually what is free (post GC) it doesn't show objects waiting for GC. To get MUCH more accurate, run 2 garbage collections before this answer. If you try it with and without GC you will find the post-GC values very consistent but the preGC will ...
JavaScript click event listener on class
...unction() {
var attribute = this.getAttribute("data-myattribute");
alert(attribute);
};
for (var i = 0; i < elements.length; i++) {
elements[i].addEventListener('click', myFunction, false);
}
jQuery does the looping part for you, which you need to do in plain JavaScript.
If you ha...
Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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How to read a single character from the user?
...now there's a function in Windows for it, but I'd like something that is cross-platform.
23 Answers
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MYSQL OR vs IN performance
...give their "opinion"': Providing performance figures without including the scripts, tables and indexes used to obtain those figures makes them unverifiable. As such, the figures are as good as an "opinion".
– Disillusioned
Dec 17 '16 at 10:48
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