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Escape double quote character in XML
...rd, I doubt that there are very many people who do actually understand it. Now there are many who think that they do, but they really don't.
– Unslander Monica
Aug 19 '15 at 19:37
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Rails: Is there a rails trick to adding commas to large numbers?
...mous depths of call stacks. It uses i18n to be able to format any numbers known to humanity and extraterrestrial civilizations (or maybe just to choose either , or . for decimal digits, even if you specify it as argument). It allocates thousands of objects (so its performance patterns are complex an...
How to remove element from array in forEach loop?
...s changes. In this example, once you delete the first 'a', index number 1 now becomes 'c'. Therefore the first 'b' is not even evaluated. Since you didn't try to delete it, it just happened to be ok, but that is not the way. You should iterate through a reverse copy of the array, and then delete it...
Redirecting Output from within Batch file
....txt
exit /b
:sub
command1
command2
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commandN
Edit 2020-04-17
Every now and then you may want to repeatedly write to two or more files. You might also want different messages on the screen. It is still possible to to do this efficiently by redirecting to undefined handles outside a parenthesi...
How to convert decimal to hexadecimal in JavaScript
...got were the same numbers! I added the "Number" function to the front, and now it works! Only spent about four hours trying to find the solution!!
– Cristofayre
May 25 at 8:30
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Change application's starting activity
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For anyone that doesn't know what the manifest this post is talking about, it is the AndroidManifest.xml in the root of your project. In Eclipse you can double click it and click the tab on the furthest right to edit the XML directly.
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npm can't find package.json
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@elangovan Link now seems to fail to resolve for me.
– iokevins
Mar 31 '18 at 22:14
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align text center with android
I know it sounds easy. I need to put a text in center, but when the text is too long it needs to go below, but still align in the center of my xml.
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How can I force Powershell to return an array when a call only returns one object?
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Gah, this is what happened last time too, now I can't replicate it. At any rate I solved my recent problem by using Return ,$out which seems to always work. If I run into the problem again I'll post an example.
– Deadly-Bagel
Ju...
Get the Highlighted/Selected text
... and texty <input> elements, you could use the following. Since it's now 2016 I'm omitting the code required for IE <= 8 support but I've posted stuff for that in many places on SO.
function getSelectionText() {
var text = "";
var activeEl = document.activeElement;
var a...