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Changing MongoDB data store directory
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Resolved it in 2 minutes downtime :)
Just move your folder, add symlink, then tune permissions.
sudo service mongod stop
sudo mv mongodb /new/disk/mongodb/
sudo ln -s /new/disk/mongodb/ /var/lib/mongodb
sudo chown mongodb:mongodb /new/disk/mongodb/
sudo ...
How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
...ch is which.
Replace all occurrences
To replace multiple characters at a time use some thing like this: name.replace(/&/g, "-"). Here I am replacing all & chars with -. g means "global"
Note - you may need to add square brackets to avoid an error - title.replace(/[+]/g, " ")
credits v...
Why is it not possible to extend annotations in Java?
...se: @Target(ElementType.ANNOTATION_TYPE) @Retention(RetentionPolicy.RUNTIME) @interface C {}; @Target(ElementType.METHOD) @Retention(RetentionPolicy.RUNTIME) @C public @interface F {} class a{ @F public void S() {} } @Test public void blahTes...
Difference between Divide and Conquer Algo and Dynamic Programming
...ivide and conquer:
Does more work on the sub-problems and hence has more time consumption.
In divide and conquer the sub-problems are independent of each other.
Dynamic programming:
Solves the sub-problems only once and then stores it in the table.
In dynamic programming the sub-problem are no...
git checkout tag, git pull fails in branch
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First, make sure you are on the right branch.
Then (one time only):
git branch --track
After that this works again:
git pull
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Compare DATETIME and DATE ignoring time portion
I have two tables where column [date] is type of DATETIME2(0) .
5 Answers
5
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Understanding Apache's access log
... reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request line from the client. ("GET / HTTP/1.0")
%>s is the status code sent from the server to the client (200, 404 etc.)
%b is the size of the response to the client (in bytes)
Re...
X-Frame-Options Allow-From multiple domains
...use it in old or new projects. Pages or Web apps using it may break at any time.
The modern alternative is the Content-Security-Policy header, which along many other policies can white-list what URLs are allowed to host your page in a frame, using the frame-ancestors directive.
frame-ancestors sup...
How to convert AAR to JAR
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I had a hard time finding out how to extract it on mac, in case others too: just change .aar to .zip and double click!
– Bastien Beurier
Jan 29 '15 at 23:16
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Debug code-first Entity Framework migration codes
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@Talon Go grab a coffee and by the time you're back probably another Visual Studio instance popped up. :)
– Corstian Boerman
Jun 17 '14 at 8:40
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