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How to run a command in the background and get no output?
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227
Use nohup if your background job takes a long time to finish or you just use SecureCRT or some...
Setting default values for columns in JPA
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233
Actually it is possible in JPA, although a little bit of a hack using the columnDefinition pro...
Maximum length for MD5 input/output
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244
MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically re...
Get list of passed arguments in Windows batch script (.bat)
...o, ..\foo, c:\bats\foo.bat, etc.)
%1 is the first command line parameter,
%2 is the second command line parameter,
and so on till %9 (and SHIFT can be used for those after the 9th).
%~nx0 - the actual name of the batch file, regardless of calling method (some-batch.bat)
%~dp0 - drive and path to t...
Iterating over dictionaries using 'for' loops
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5552
key is just a variable name.
for key in d:
will simply loop over the keys in the dictionary...
Best way to do multi-row insert in Oracle?
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answered Sep 2 '08 at 14:08
EspoEspo
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Checking for the correct number of arguments
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218
#!/bin/sh
if [ "$#" -ne 1 ] || ! [ -d "$1" ]; then
echo "Usage: $0 DIRECTORY" >&2
e...
How do I check if a string contains another string in Objective-C?
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23 Answers
23
Active
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Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string ""....