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Changing MongoDB data store directory
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How to force a web browser NOT to cache images
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Just a thought, and far too late to come to the party here - but since you have control of the image changing, perhaps it would be better to rename the image as it is updated, instead of adding a query string. So: 1222259157.jpg for example, instead of picture....
Is there a function to make a copy of a PHP array to another?
...r, it has reference semantics.
Edit: @AndrewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by...
How to print a linebreak in a python function?
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...> Task -> Backup).
Create empty database with new name (clone). Note comments below as this is optional.
Click to clone database and open restore dialog (see image)
Select Device and add the backup file from step 3.
Change destination to test database
Change location of database files, it ...
SQL Query to concatenate column values from multiple rows in Oracle
...ve - see the oracle documentation on string aggregation techniques. A very common one is to use LISTAGG:
SELECT pid, LISTAGG(Desc, ' ') WITHIN GROUP (ORDER BY seq) AS description
FROM B GROUP BY pid;
Then join to A to pick out the pids you want.
Note: Out of the box, LISTAGG only works correctly...
How to clone git repository with specific revision/changeset?
...k.allowReachableSHA1InWant, here the GitHub feature request and the GitHub commit enabling this feature. Note that some Git servers activate this option by default, e.g. Bitbucket Server enabled it since version 5.5+. See this answer on Stackexchange for a exmple of how to activate the configuratio...
Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
...hy I'm unable to checkout a branch that I had worked on earlier. See the commands below (note: co is an alias for checkout ):
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Getting random numbers in Java [duplicate]
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@DanielF 's confusion is understandable because the comment in the answer is misleading. The 50 in rand.nextInt(50) will only give the maximum in this situation. rand.nextInt(50) will return an integer between 0 (inclusively) and 50 (exclusively) (in other words [0-49]). We a...
How to migrate/convert from SVN to Mercurial (hg) on windows
...ver.
I also have TortoiseHG installed as well as the CollabNet Subversion Command-Line Client.
<Enable Convert Extension w/ Tortoise Hg 2>
Many thanks to bgever for pointing out in the comments that with TortoiseHg 2.0, enabling the convert extension is easier than ever. As he says
Wit...