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PDOException “could not find driver”

...your server. In Ubuntu/Debian you check for the package with: dpkg --get-selections | grep php | grep mysql Install the php5-mysql package if you do not have it. In Ubuntu/Debian you can use: PHP5: sudo apt-get install php5-mysql PHP7: sudo apt-get install php7.0-mysql Lastly, to get it wo...
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Getting URL hash location, and using it in jQuery

... the # symbol at the beginning. Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM. In case you want to get the hash from an URL string, you can use the String.substring method: var url = "http://example.com/file.h...
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com.jcraft.jsch.JSchException: UnknownHostKey

... This is insecure and really shouldn't have been selected as the right answer on that principle. The setKnownHosts() and setFingerPrint() options are the way to do this without ignoring an important aspect of the ssh process. Edit: in my experience, #1 does not work from wi...
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Create new tmux session from inside a tmux session

... ctrl-b :new To create a new session, then ctrl-b s to interactively select and attach to the session. share | improve this answer | follow | ...
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Get a random item from a JavaScript array [duplicate]

...a way to "scramble" an array, but the question is about getting a randomly selected element from an array. There's a big difference. – damd Mar 4 '16 at 15:04 16 ...
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How to grep for two words existing on the same line? [duplicate]

...if performance really matters. If you run two commands, you should aim to select the less frequently occurring word in the first grep to minimize the amount of data processed by the second. Diagnosis The initial script is: grep -c "word1" | grep -r "word2" logs This is an odd command sequence....
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Change SVN repository URL

...h://192.168.0.20/var/svn-repos/myrepo' where id=1; check your value with select * from REPOSITORY; – Samuel Sep 8 at 0:28 add a comment  |  ...
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Is < faster than

...ughput Jcc N/A 0.5 with the following footnote on Jcc: 7) Selection of conditional jump instructions should be based on the recommendation of section Section 3.4.1, “Branch Prediction Optimization,” to improve the predictability of branches. When branches are predicted successf...
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Swift alert view with OK and Cancel: which button tapped?

... in Xcode written in Swift and I'd like to determine which button the user selected (it is a confirmation dialog) to do nothing or to execute something. ...
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How to unset a JavaScript variable?

...all browsers. Running in real documents, your code examples are correct. I selected your answer as correct, but I'd appreciate it if you can edit it to include explaining window.a = 1; delete window.a; and possibly the mechanism. I can do so as well if you don't mind. – Guss ...