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How do I use a file grep comparison inside a bash if/else statement?
When our server comes up we need to check a file to see how the server is configured.
4 Answers
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...y_table as select * from test where false; copy temporary_table from 'data_file.csv'; lock table test; update test set data=temporary_table.data from temporary_table where test.id=temporary_table.id; insert into test select * from temporary_table where id not in (select id from test) as a"
...
Superiority of unnamed namespace over static?
... type definitions internal, too, besides functions).
With time the source file of the implementation of your module grows large, and you would like to split it into several separate source files, which would allow for better organizing the code, finding the definitions quicker, and to be compiled i...
Execute another jar in a Java program
...r" parameter and it doesn't work. With only one, we only need to put the 3 files .jar in the same place
– Duc Tran
Apr 17 '12 at 16:06
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...etail:
Point 1:
etags and ctags both generate an index (a.k.a. tag/TAGS) file of language objects found in source files that allows these items to be quickly and easily located by a text editor or other utility. A tag signifies a language object for which an index entry is available (or, alternati...
How do I find all of the symlinks in a directory tree?
... symbolic links. When find examines or prints information
about files, the information used shall be taken from the prop‐
erties of the file to which the link points, not from the link
itself (unless it is a broken symbolic link or find is unable to
exam...
How to create a JavaScript callback for knowing when an image is loaded?
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var theImage = new Image();
theImage.src = "thumbs/" + getFilename(globals.gAllPageGUIDs[i]);
gAllImages.push(theImage);
setTimeout('checkForAllImagesLoaded()', 5);
window.status="Creating thumbnail "+(i+1)+" of " + thumbnailsEnd;
// make a new div ...
Python add item to the tuple
...)
>>> x += u"random string"
Traceback (most recent call last):
File "<pyshell#11>", line 1, in <module>
x += u"random string"
TypeError: can only concatenate tuple (not "unicode") to tuple
>>> x += (u"random string", ) # concatenate a one-tuple instead
>>&...
break out of if and foreach
... if ( $current_device[0] == $device ) {
// found a match in the file
$nodeid = $equip->id;
// will leave the foreach loop and also the if statement
break;
some_function(); // never reached!
}
other_function(); // not executed after m...
UIButton custom font vertical alignment
...in with the following command line to merge your changes back into the ttf file:
~$ ftxdumperfuser -t hhea -A f Bold.ttf
Then just use the resulting ttf font in your app.
OS X El Capitan
The Apple Font Tool Suite Installer doesn't work anymore on OSX El Capitan because of SIP because it tries t...