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Javascript: How to check if a string is empty? [duplicate]
... @Gumbo: An answer that works under all circumstances is in my opinion better than an answer that provides the bare minimum, so I agree with Residuum. Things like that are especially important to point out for a beginner.
– OregonGhost
Mar 4 '10 ...
JavaScript validation for empty input field
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Besides null and "", my code I was missing this piece also. It worked for me. Thanks Roko.
– Pedro Sousa
Sep 17 '15 at 15:27
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Excluding directory when creating a .tar.gz file
...removing the last / at the end of the directory path to exclude
tar -pczf MyBackup.tar.gz /home/user/public_html/ --exclude "/home/user/public_html/tmp"
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What is the default height of UITableViewCell?
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If you want to calculate this on the fly, just allocate a dummy table cell and read off its height
UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"Cell"];
int height = cell.frame.size.height ;
This way you defend against c...
Move layouts up when soft keyboard is shown?
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similar issue i was facing with my layout which consist scroll view inside.
Whenever i try to select text in EditText,Copy/Cut/Paste action bar gets moved up with below code as such it does not resize layout
android:windowSoftInputMode="adjustPan"
By mod...
How to run .APK file on emulator [duplicate]
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Thanks. Your answer gave me an idea; i just put my apk file inside the phone and ran it. Worked like a charm.
– irfandar
Mar 31 '13 at 6:22
add a co...
Shell script while read line loop stops after the first line
...file and stops after that line got processed. Is there anything wrong with my script?
4 Answers
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RVM is not a function, selecting rubies with 'rvm use …' will not work
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My env is OSX Yosemite. Had the same issue .... solved by adding the following
1) edit and add the following line to .bash_profile file.
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
2) Restart te...
Convert a CERT/PEM certificate to a PFX certificate
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In step 2, my certificate don't "Personal"->"Certificates". It appears in "Other People"->"Certificates", and when exporting, the "Personal Information Exchange (PFX)" appears disabled. Do you know how to enable it?
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Python's most efficient way to choose longest string in list?
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From the Python documentation itself, you can use max:
>>> mylist = ['123','123456','1234']
>>> print max(mylist, key=len)
123456
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