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How to format a phone number with jQuery
... answered Jan 6 '12 at 15:22
andlrcandlrc
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How to access the last value in a vector?
... vector that is nested in a dataframe one or two levels. Is there a quick and dirty way to access the last value, without using the length() function? Something ala PERL's $# special var?
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How to check an Android device is HDPI screen or MDPI screen?
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Density values described at: developer.android.com/guide/practices/screens_support.html
– esilver
Jan 21 '14 at 21:52
1
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Convert XLS to CSV on command line
How could I convert an XLS file to a CSV file on the windows command line.
15 Answers
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How to add line breaks to an HTML textarea?
...text.replace(/\r?\n/g, '<br />');
UPDATE
Since many of the comments and my own experience have show me that this <br>
solution is not working as expected here is an example of how to append a new line to a textarea using '\r\n'
function log(text) {
var txtArea ;
txtArea = docum...
Animate a custom Dialog
...g="utf-8"?>
<resources>
<style name="PauseDialog" parent="@android:style/Theme.Dialog">
<item name="android:windowAnimationStyle">@style/PauseDialogAnimation</item>
</style>
<style name="PauseDialogAnimation">
<item name="android...
What is the difference between encode/decode?
I've never been sure that I understand the difference between str/unicode decode and encode.
6 Answers
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How to add new column to MYSQL table?
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It's 2015 and people are still trying to set themselves up for sql injection vulnerabilities—:facepalm:
– CommandZ
Jul 8 '15 at 21:34
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Uninstall old versions of Ruby gems
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For removing older versions of all installed gems, following 2 commands are useful:
gem cleanup --dryrun
Above command will preview what gems are going to be removed.
gem cleanup
Above command will actually remove them.
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How to convert a PIL Image into a numpy array?
Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
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