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How to delete from a text file, all lines that contain a specific string?
...i.bak -e "print unless /pattern/" file
Shell (bash 3.2 and later)
while read -r line
do
[[ ! $line =~ pattern ]] && echo "$line"
done <file > o
mv o file
GNU grep
grep -v "pattern" file > temp && mv temp file
And of course sed (printing the inverse is faster than a...
Delete local Git branches after deleting them on the remote repo
...if you're not on master, this has the potential to delete the branch. Keep reading for the "better way".
Make sure we keep master
You can ensure that master, or any other branch for that matter, doesn't get removed by greping for more. In that case you would go:
git branch --merged | grep -v "\*"...
jQuery add required to input fields
...x
.prop("required", true);
// required=""
.prop("required", false);
//
Read more from here
https://stackoverflow.com/a/5876747/5413283
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How to create cron job using PHP?
...ay] [Month] [Day of week (0 =sunday to 6 =saturday)] [Command]
You could read some more about this here.
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Center content in responsive bootstrap navbar
... centering my content in the bootstrap navbar. I'm using bootstrap 3. I've read many posts, but the CSS or methods used will not work with my code! I'm really frustrated, so this is like my last option. Any help would be appreciated!
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android fragment onRestoreInstanceState
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I know, that you have accepted answer, but you should read the official documentation about fragments, and it says (paragraph "Handling the Fragment Lifecycle"):
You can retain the state of a fragment using a Bundle, in case the activity's process is killed and you need to r...
How to apply CSS to iframe?
... Its throwing all sorts of javascript errors. "Uncaught TypeError: Cannot read property 'a' of undefined "
– deweydb
Aug 19 '14 at 23:52
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What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?
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@DaveBlack from what i read: No, session is not maintained in the pool, session is unique for your script-run after connect(). When pooling ... PHP for SQL Server uses ODBC connection pooling. When a connection from the pool is used, the connection...
How can I join multiple SQL tables using the IDs?
...y in most of the cases you had them, and only add confusion when trying to read the code. Proper nesting is the best way to make your code readable and separated out.
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How to pass prepareForSegue: an object
...he accepted answer is not the best way of doing this" is wrong. It should read "In certain cases, you need to do this..."
– Fattie
Jun 22 '14 at 13:22
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