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How can I preview a merge in git?

...won't have any merged code or merge conflicts in your branch. This is basically a dry-run. Strategy 2: When you definitely want to merge, but only if there aren't conflicts git checkout mybranch git merge some-other-branch If git reports conflicts (and ONLY IF THERE ARE conflicts) you can then do: ...
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PHP json_encode encoding numbers as strings

...e of the json_encode() function is a string. Regarding the MySQL returning all fields as strings, yes I have also encountered this specifically with PDO. The way I see it you should always cast values you expect to be numeric to integer (or float) in PHP to make sure, do not trust MySQL or any other...
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git ignore exception

...have a gitignore file that makes git ignore *.dll files, and that is actually the behavior I want. However, if I want an exception ( i.e. to be able to commit foo.dll ), how can I achieve this? ...
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How do I fetch a single model in Backbone?

... @SimplGy that works because model.id is essentially synonymous with model.attributes.id. If you call model.set('id'), Backbone sets model.id to whatever you specified. And model.id is what gets used when creating the model-specific URL. – Lambart ...
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How to find duplicates in 2 columns not 1

I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value. ...
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How do I break a string across more than one line of code in JavaScript?

...s backslash approach is not necessarily preferred, and possibly not universally supported (I had trouble finding hard data on this). It is not in the ECMA 5.1 spec. When working with other code (not in quotes), line breaks are ignored, and perfectly acceptable. For example: if(SuperLongConditionWh...
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What is so bad about singletons? [closed]

...haned by the developer world. I still use quite a lot of singletons, especially for factory classes , and while you have to be a bit careful about multithreading issues (like any class actually), I fail to see why they are so awful. ...
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How does Google calculate my location on a desktop?

...the wifis you passed, and returns the "wardrived" position if found, eventually with triangulation if intensities are present. The more wifi networks around, the higher is the accuracy of the positioning. adds additional networks you see that are currently not in the database to their database, so t...
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implements Closeable or implements AutoCloseable

...ources which needs to be closed. In your implementation, it is enough to call pw.close(). You should do this in a finally block: PrintWriter pw = null; try { File file = new File("C:\\test.txt"); pw = new PrintWriter(file); } catch (IOException e) { System.out.println("bad things happen")...
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How to delete selected text in the vi editor

... Actually, vim has great mouse support if your terminal supports it. For example using the gpm daemon in a console, or running xterm or konsole in a graphical environment, you can tell vim set mouse=a (or add it to your .vimrc) a...