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Determine if an element has a CSS class with jQuery
I'm working with jQuery and looking to see if there is an easy way to determine if the element has a specific CSS class associated with it.
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Simple logical operators in Bash
... of variables and I want to check the following condition (written out in words, then my failed attempt at bash scripting):
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How to use Global Variables in C#?
...me namespace):
String code = Globals.CODE_PREFIX + value.ToString();
In order to deal with different namespaces, you can either:
declare the Globals class without including it into a specific namespace (so that it will be placed in the global application namespace);
insert the proper using dire...
Why are empty strings returned in split() results?
...str.join, so
"/".join(['', 'segment', 'segment', ''])
gets you back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
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Exception NoClassDefFoundError for CacheProvider
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Change your AnnotationSessionFactoryBean to org.springframework.orm.hibernate4.LocalSessionFactoryBean (Hibernate 4) and you'll be good to go. The AnnotationSessionFactoryBean was replaced with the LocalSessionFactoryBean as it does class path scanning now....
Rsync copy directory contents but not directory itself
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This behavior is odd, compared to mv or cp.
– zeekvfu
Dec 5 '13 at 10:55
1
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How to have conditional elements and keep DRY with Facebook React's JSX?
...ted Apr 15 '15 at 20:15
Michal Kordas
8,66566 gold badges3737 silver badges7676 bronze badges
answered Mar 20 '14 at 16:21
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Prepend a level to a pandas MultiIndex
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A nice way to do this in one line using pandas.concat():
import pandas as pd
pd.concat([df], keys=['Foo'], names=['Firstlevel'])
An even shorter way:
pd.concat({'Foo': df}, names=['Firstlevel'])
This can be generalized to many data frames, see the docs.
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Keystore change passwords
I currently have a keystore, with a particular password that only I should know. I now need to give access to that keystore to someone else, so I would like to either:
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Move cursor to end of file in vim
When I want the cursor to go to the end of the file (i.e. the end of the last line) in Vim, I have to type six keystrokes:
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