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grepping using the “|” alternative operator
...the wrong regex tutorial for use in grep. I can't seem to find a good grep one anywhere. Thanks for this!
– MattLBeck
Jul 21 '11 at 12:30
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How to send cookies in a post request with the Python Requests library?
...two requests together and want to send the cookies returned from the first one to the second one (for example, maintaining a session alive across requests) you can do:
import requests
r1 = requests.post('http://www.yourapp.com/login')
r2 = requests.post('http://www.yourapp.com/somepage',cookies=r1....
How to access the last value in a vector?
Suppose I have a 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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Create UIActionSheet 'otherButtons' by passing in array, not varlist
...; thanks. Didn't realize that the cancelButtonIndex property could be set. One thing I think we can all agree on: Apple's API for this sucks.
– Greg Maletic
Mar 5 '10 at 19:14
11
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Android App Not Install. An existing package by the same name with a conflicting signature is alread
...re), so if the previous APK was signed with a different key other than the one you are currently using you will always get the signatures conflict, in order to fix it, make sure you are using the very same key to sign both APKs, even if the previous APK was signed with a debug-key from another SDK, ...
How do I 'svn add' all unversioned files to SVN?
I'm looking for a good way to automatically 'svn add' all unversioned files in a working copy to my SVN repository.
19 An...
Can someone explain the traverse function in Haskell?
...able to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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Minimal web server using netcat
...while true ; do nc -l -p 1500 -c 'echo -e "HTTP/1.1 200 OK\n\n $(date)"'; done
The -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. Note, that when using echo there is no way for your program (the...
GoTo Next Iteration in For Loop in java
...f (i == 2){
break;
}
}
If you need to break out of more than one loop use break someLabel;
outerLoop: // Label the loop
for(int j = 0; j < 5; j++){
for(int i = 0; i < 5; i++){
if (i==2){
break outerLoop;
}
...
How do I check for nulls in an '==' operator overload without infinite recursion?
...red Sep 16 '08 at 15:40
Andrew JonesAndrew Jones
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