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What is the meaning of erb?
...u can easily make it respond with .xml or .json or .csv if you write a web api for it
Erb is a library class that generates text. Nothing more. It expects a file that contains static text and ruby code mixed. It will run the ruby code and write the result to another file which in case for your cont...
How to get the name of a function in Go?
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@themihai I don't know, the sentence I quoted is all the docs at golang.org/pkg/reflect/#Value.Pointer say about this. But the quote seems to indicate that one could get the same pointer for different functions, doesn't it? And if this is the case, GetFunctionName might r...
How to fix Error: laravel.log could not be opened?
...his should be the chosen answer, 100% agree that sysadmins should not just allow access to everything to avoid working out the real issue.
– HyperionX
Feb 8 '18 at 7:24
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Are global variables in PHP considered bad practice? If so, why?
In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; .
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Disable developer mode extensions pop up in Chrome
... to chrome://extensions, check Developer mode and click Pack extension
Install the extension by dragging and dropping the .crx file into the chrome://extensions page.
You'll get an "Unsupported extensions disabled" popup if you try restarting Chrome at this point.
Then for Windows 7 or Windows 8:...
Executing multi-line statements in the one-line command-line?
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The issue is not actually with the import statement, it's with anything being before the for loop. Or more specifically, anything appearing before an inlined block.
For example, these all work:
python -c "import sys; print 'rob'"
python -c "imp...
How to do a https request with bad certificate?
Say I want to get https://golang.org programatically. Currently golang.org (ssl) has a bad certificate which is issued to *.appspot.com So when I run this:
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Drop data frame columns by name
...d like to remove from a data frame. I know that we can delete them individually using something like:
20 Answers
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John Carmack's Unusual Fast Inverse Square Root (Quake III)
...s derived is something of a mystery.
To quote Gary Tarolli:
Which actually is doing a floating
point computation in integer - it took
a long time to figure out how and why
this works, and I can't remember the
details anymore.
A slightly better constant, developed by an expert mathemat...
What's wrong with overridable method calls in constructors?
...ohibit it:
There are a few more restrictions that a class must obey to allow inheritance. Constructors must not invoke overridable methods, directly or indirectly. If you violate this rule, program failure will result. The superclass constructor runs before the subclass constructor, so the overr...