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What is the difference between 'java', 'javaw', and 'javaws'?
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213
See Java tools documentation for:
java command1/javaw command2
The java tool launches a Jav...
Check if a Postgres JSON array contains a string
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198
As of PostgreSQL 9.4, you can use the ? operator:
select info->>'name' from rabbits whe...
check if variable is dataframe
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195
Use isinstance, nothing else:
if isinstance(x, pd.DataFrame):
... # do something
PEP8...
How to do stateless (session-less) & cookie-less authentication?
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answered Dec 19 '13 at 6:31
Karthik RangarajanKarthik Rangarajan
1,29488 silver badges1212 bronze badges
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How to join NSArray elements into an NSString?
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314
NSArray * stuff = /* ... */;
NSString * combinedStuff = [stuff componentsJoinedByString:@"separ...
Difference between HEAD and master
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162
master is a reference to the end of a branch. By convention (and by default) this is usually t...
Remove an Existing File from a Git Repo
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143
Just to give the full answer all at once:
from klemens: You need to add the file to your .gi...
emacs create new file with ido enabled
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148
Try:
C-x C-f C-f
It should kick you out of ido mode into "normal" find file mode
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What is a .pid file and what does it contain?
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The pid files contains the process id (a number) of a given program. For example, Apache HTTPD ...