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How to get a cross-origin resource sharing (CORS) post request working
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I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the
Access-Control-Request-Headers: x-requested-with
header to all CORS requests....
How do I change tab size in Vim?
...at tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use softtabstop to make backspace work properly (that is, reduce indentation when that's what would happen should tabs ...
Writing files in Node.js
...ut @AndersonGreen, you need to run node as root or chmod /home properly to allow R/W permissions to current node process owner (your username tough) so you can write the file
– Denys Vitali
Jan 2 '14 at 23:34
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How to do a regular expression replace in MySQL?
...ary linked here doesn't seem to have good windows support. The windows installation method outlined did not work well for me.
– Jonathan
Dec 5 '13 at 23:58
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how to append a list object to another
in C++, I have two list<T> objects A and B and I want to add all the members of B to the end of A . I've searched a few different sources and haven't found a simple solution (e.i. A.append(B); ) and this surprises me a bit.
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(this == null) in C#!
...in sematic checks) in the compiler: it should NOT be possible. You are not allowed to write : base(CheckNull()) if CheckNull is not static, and alike you should not be able to inline an instance-bound lambda.
– quetzalcoatl
Aug 14 '12 at 0:29
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Comparing numbers in Bash
...)" if I compare 1 and 09 but not 01 and 09 which is odd, but that has basically solved my problem so thanks!
– advert2013
Sep 7 '13 at 1:02
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MLKitCodeScanner 拓展：离线条码 / 二维码识别 · App Inventor 2 中文网
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Formats
要识别的条码类型，多个用英文逗号分隔，填 all 表示全部（默认）。
可选值：qr、datamatrix、pdf417、aztec、ean13、ean8、upca、upce、code39、code93、code128、itf、codabar。
只勾选实际需要的类型可以显著提升识别速度，例如做...
Convert absolute path into relative path given a current directory using Bash
... do, because /usr/bin rarely or never contains directories and nmap is normally a binary)
– IBBoard
Mar 13 '18 at 20:07
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PHP code is not being executed, instead code shows on the page
...guration, here are a few things you can check:
Make sure that PHP is installed and running correctly. This may sound silly, but you never know. An easy way to check is to run php -v from a command line and see if returns version information or any errors.
Make sure that the PHP module is listed an...