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How to make grep only match if the entire line matches?

... I'm using grep inside a bash script and this option is better than use a regular expression as suggested in the accepted answer. Because I have some special character inside the variable I'm searching (like .) and I don't have to escape them when using t...
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Run command on the Ansible host

... Yes, you can run commands on the Ansible host. You can specify that all tasks in a play run on the Ansible host, or you can mark individual tasks to run on the Ansible host. If you want to run an entire play on the Ansible host, then specify hosts: 127.0.0.1 and connection:local in the play,...
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Throw an error in a MySQL trigger

...e SIGNAL syntax to throw an exception: signal sqlstate '45000' set message_text = 'My Error Message'; State 45000 is a generic state representing "unhandled user-defined exception". Here is a more complete example of the approach: delimiter // use test// create table trigger_test ( id int...
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No provider for “framework:jasmine”! (Resolving: framework:jasmine)

...eprocessor": "^0.1.0" }, "engines": { "node": ">=0.8.0" }, "scripts": { "test": "grunt test" } } I changed the following line in karma.conf en karma-e2e.conf to use the karma-safari-launcher: browsers: ['Safari'], I hope this will work for you, too. ...
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How to change height of grouped UITableView header?

... Return CGFLOAT_MIN instead of 0 for your desired section height. Returning 0 causes UITableView to use a default value. This is undocumented behavior. If you return a very small number, you effectively get a zero-height header. S...
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Why Maven uses JDK 1.6 but my java -version is 1.7

..., but I think the best way to handle JDK versions on MacOS is by using the script described at: http://www.jayway.com/2014/01/15/how-to-switch-jdk-version-on-mac-os-x-maverick/ share | improve this ...
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How can I configure the font size for the tree item in the package explorer in Eclipse?

... Does your Eclipse .ini file contain a reference to 'smallFonts?' On Mac you might see something like... -Dorg.eclipse.swt.internal.carbon.smallFonts If you remove this line, you'll see the font size in various views fatten up. ...
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing

...roblem . After a long search I found a comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment has been changed to an answer. However, when I answered this question by msyself I intended to help other people by directly providing the solution. T...
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How to convert image to byte array

...ollows: public static byte[] converterDemo(Image x) { ImageConverter _imageConverter = new ImageConverter(); byte[] xByte = (byte[])_imageConverter.ConvertTo(x, typeof(byte[])); return xByte; } share ...
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How can I remove non-ASCII characters but leave periods and spaces using Python?

... You can filter all characters from the string that are not printable using string.printable, like this: >>> s = "some\x00string. with\x15 funny characters" >>> import string >>> printable = set(string.printable) ...