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Reference - What does this error mean in PHP?

...m. (Note: You might have multiple blocks if you had code that was automatically constructed) Also make sure you don't have any Byte Order Marks in your code, for example when the encoding of the script is UTF-8 with BOM. Related Questions: Headers already sent by PHP All PHP "Headers already sen...
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VIM Disable Automatic Newline At End Of File

So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
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Characters allowed in a URL

... The characters allowed in a URI are either reserved or unreserved (or a percent character as part of a percent-encoding) http://en.wikipedia.org/wiki/Percent-encoding#Types_of_URI_characters says these are RFC 3986 unreserved characters ...
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Preserving signatures of decorated functions

... decorator that does something very generic. For example, it might convert all arguments to a specific type, perform logging, implement memoization, etc. ...
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Installing Java 7 on Ubuntu

to install java I have always used the classic way from the terminal. I would like to install java manually. I placed the folder of the JDK on the desk and I set environment variables (PATH, CLASSPATH and JAVA_HOME). From the terminal, if I type java -version I get printed ...
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Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)

...isual C++ for instance use %Iu and %Id respectively, I think that gcc will allow you to use %zu and %zd. You could create a macro: #if defined(_MSC_VER) || defined(__MINGW32__) //__MINGW32__ should goes before __GNUC__ #define JL_SIZE_T_SPECIFIER "%Iu" #define JL_SSIZE_T_SPECIFIER "%Id" ...
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What does the PHP error message “Notice: Use of undefined constant” mean?

...l_escape_string($_POST['message']); As is, it was looking for constants called department, name, email, message, etc. When it doesn't find such a constant, PHP (bizarrely) interprets it as a string ('department', etc). Obviously, this can easily break if you do defined such a constant later (tho...
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#1071 - Specified key was too long; max key length is 1000 bytes

...tle have been answered before, but please do read on. I've read thoroughly all the other questions/answers on this error before posting. ...
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What is the most efficient way to deep clone an object in JavaScript?

... Native deep cloning It's called "structured cloning", works experimentally in Node 11 and later, and hopefully will land in browsers. See this answer for more details. Fast cloning with data loss - JSON.parse/stringify If you do not use Dates, funct...
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How do I use installed packages in PyCharm?

...you use the os (ex. apt-get), or pip in a virtualenv, packages will be installed to a location already on the path. In your example, GNU Radio is installed to the system Python 2's standard site-packages location, which is already in the path. Pointing PyCharm at the correct interpreter is enough;...