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^M at the end of every line in vim

When I am editing source files using vim and other editors sometimes at the end of the line I get these ^M characters at the end of each line. I think that it has something to do with editing a file in windows and then in linux. How can I remove all of these automatically? ...
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How to use subprocess popen Python

...ata. A clever attacker can modify the input to access arbitrary system commands. E.g. by inputting filename.swf; rm -rf / for the value of filename. However, this is only a problem, when the contents of your argument to Popen is insecure. – Hans Then Sep 26 '12...
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Check if a key exists inside a json object

... answered Dec 27 '13 at 16:38 Anand JhaAnand Jha 8,55844 gold badges2121 silver badges2626 bronze badges ...
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How do I see the commit differences between branches in git?

I'm on branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could just do a ...
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Apache Proxy: No protocol handler was valid

... For me on WAMP, I installed the modules above via the menu and had to uncomment LoadModule slotmem_shm_module modules/mod_slotmem_shm.so in httpd.conf – Flion Dec 20 '17 at 19:55 ...
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How do you properly use namespaces in C++?

...utting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++. ...
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How do I get a PHP class constructor to call its parent's parent's constructor?

I need to have a class constructor in PHP call its parent's parent's (grandparent?) constructor without calling the parent constructor. ...
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How to check type of variable in Java?

...pe). The examples you gave (int, array, double) these are all primitives, and there are no sub-types of them. Thus, if you declare a variable to be an int: int x; You can be sure it will only ever hold int values. If you declared a variable to be a List, however, it is possible that the variab...
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Crop MP3 to first 30 seconds

... I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the qu...
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How to find out if a file exists in C# / .NET?

...xists BUT caller lacks permission to read it. Is there a different way to handle this kind of situations and check whether a file exists even if the caller cannot read it? – ADTC Mar 5 '12 at 8:06 ...