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Ignore .pyc files in git repository

...t to to do it beforehand, if you just add the line to the .gitignore file, all previously committed .pyc files will still be tracked, so you'll need to remove them from the repository. If you are on a Linux system (or "parents&sons" like a MacOSX), you can quickly do it with just this one line ...
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Correct Bash and shell script variable capitalization

I run across many shell scripts with variables in all caps, and I've always thought that there is a severe misunderstanding with that. My understanding is that, by convention (and perhaps by necessity long ago), environment variables are in all-caps. ...
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Maven fails to find local artifact

Occasionally maven complains that a particular dependency, which is built and packaged locally, cannot be found in the local repository while building another project that has it as a dependency. We get an error like: ...
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ASP.NET Identity's default Password Hasher - How does it work and is it secure?

...ff using decimal numbers is A LOT more intuitive (we have 10 fingers after all - at least most of us), so declaring a number of something using hexadecimals seems like an unnecessary code obfuscation. – Andrew Cyrul Apr 13 '17 at 9:27 ...
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What is “:-!!” in C code?

...sizeof(struct { int: -!!(e); })) (e): Compute expression e. !!(e): Logically negate twice: 0 if e == 0; otherwise 1. -!!(e): Numerically negate the expression from step 2: 0 if it was 0; otherwise -1. struct{int: -!!(0);} --> struct{int: 0;}: If it was zero, then we declare a struct with an an...
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How can I include a YAML file inside another?

...ve added an answer below...hope it helps. – daveaspinall Aug 19 '15 at 9:39 1 If you're using Rai...
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How to change collation of database, table, column?

... You need to either convert each table individually: ALTER TABLE mytable CONVERT TO CHARACTER SET utf8mb4 (this will convert the columns just as well), or export the database with latin1 and import it back with utf8mb4. ...
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PHP mkdir: Permission denied problem

...te permissions on the directory. Here's what you do in Ubuntu Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user chown -R www-data:www-data /path/to/webserver/www Next enabled all members of the www-data group to read and write files chmod -R...
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How to get all Errors from ASP.Net MVC modelState?

I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains. ...
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how to check the jdk version used to compile a .class file [duplicate]

.... Useful if you don't have access to javap. ref: en.wikipedia.org/wiki/Java_class_file#General_layout – Jim Apr 24 '14 at 11:19 19 ...