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Does git return specific return error codes?
...content): Merge conflict in test.txt
Automatic merge failed; fix conflicts and then commit the result.
$ echo $?
1
Git returns 0 when it merges correctly, as expected.
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“Could not find bundler” error
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if you create a new applocation - rails new and if you get this error?
– AMIC MING
Mar 19 '13 at 0:35
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java.lang.OutOfMemoryError: Java heap space
...ava -Xms<initial heap size> -Xmx<maximum heap size> on the command line. By default, the values are based on the JRE version and system configuration. You can find out more about the VM options on the Java website.
However, I would recommend profiling your application to find out why yo...
Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
...is in the console, do the the following:
Go to your Load Balancer in EC2 and tab "Listeners"
Select "View/edit rules" on your HTTP listener
Delete all rules except for the default one (bottom)
Edit default rule: choose "Redirect to" as an action, leave everything as default and enter "443" as a po...
How do I uninstall a package installed using npm link?
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The package can be uninstalled using the same uninstall or rm command that can be used for removing installed packages. The only thing to keep in mind is that the link needs to be uninstalled globally - the --global flag needs to be provided.
In order to uninstall the globally linked foo p...
How is Math.Pow() implemented in .NET Framework?
I was looking for an efficient approach for calculating a b (say a = 2 and b = 50 ). To start things up, I decided to take a look at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
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Parsing HTML using Python
... BeautifulSoup object (remember, it's a tree node basically) of the first (and in this case, only) body element of the root element (in our case, html)
– Aadaam
Jul 29 '12 at 12:38
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MongoDB Aggregation: How to get total records count?
... is one of the most commonly asked question to obtain the paginated result and the total number of results simultaneously in single query. I can't explain how I felt when I finally achieved it LOL.
$result = $collection->aggregate(array(
array('$match' => $document),
array('$group' => ...
Renaming a branch while on pull request
...n't rename the branch with a pull request open without deleting the branch and removing the pull request. However, there's nothing stopping you from doing that, pushing a new branch with a new name, and creating a new pull request.
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Number.sign() in javascript
...its absolute value also gives its sign. Using the short-circuiting logical AND operator allows us to special-case 0 so we don't end up dividing by it:
var sign = number && number / Math.abs(number);
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