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Deleting all files in a directory with Python
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Via os.listdir and os.remove:
import os
filelist = [ f for f in os.listdir(mydir) if f.endswith(".bak") ]
for f in filelist:
os.remove(os.path.join(mydir, f))
Or via glob.glob:
import glob, os, os.path
filelist = glob.glob(os.path...
What is the $$hashKey added to my JSON.stringify result
...g on the Mozilla JSON stringify page of their docs as well as here on SO and Google but found no explanation. I have used JSOn stringify many time but never come across this result
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Otherwise on StateProvider
...You can't use only $stateProvider.
You need to inject $urlRouterProvider and create a code similar to:
$urlRouterProvider.otherwise('/otherwise');
The /otherwise url must be defined on a state as usual:
$stateProvider
.state("otherwise", { url : '/otherwise'...})
See this link where ksp...
How to convert an Array to a Set in Java
...s?
For JDK < 8, I would just write the obvious for loop to do the wrap and add-to-set in one pass.
For JDK >= 8, an attractive option is something like:
Arrays.stream(intArray).boxed().collect(Collectors.toSet());
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Run single test from a JUnit class using command-line
... that will allow me to run a single test from a JUnit class using only command-line and java.
3 Answers
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Bash: If/Else statement in one line
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Is it necessary to re-direct the output of the ps command to a file ? Would this not work ? if ps aux | grep some_proces[s]; then echo 1; else echo 0; fi. Locally it seems to work for me. Is it because OP had the redirection in the command he tried?
– user...
MongoDB: update every document on one field
... all of these instances of foo. After running that I do a db.foo.findOne() and lastLookedAt is: 1327691719186, which translates to jruby-1.6.5 :011 > Time.at(1327691719186) => Sun Nov 16 02:19:46 -0500 44042
– randombits
Jan 27 '12 at 19:16
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How do I combine two data frames?
I'm using Pandas data frames. I have a initial data frame, say D . I extract two data frames from it like this:
6 Answers
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clear table jquery
...ually:
$('#myTable').empty()
Technically, this will remove thead, tfoot and tbody elements too.
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Css height in percent not working [duplicate]
...d to set a 100% height on all your parent elements, in this case your body and html. This fiddle shows it working.
html, body { height: 100%; width: 100%; margin: 0; }
div { height: 100%; width: 100%; background: #F52887; }
<html><body><div></div></body></html...