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What's the purpose of git-mv?
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Well, yes and no. Read the official GitFaq link above about renames, and then read Linus Torvalds lengthy e-mail about why he doesn't like the notion of an SCM tool tracking files: permalink.gmane.org/gmane.comp.version-control.git/217
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Difference between malloc and calloc?
...oc for you, but you should use calloc explicitly if you want the memory to read as 0.
If you aren't going to ever read memory before writing it, use malloc so it can (potentially) give you dirty memory from its internal free list instead of getting new pages from the OS. (Or instead of zeroing a b...
Pass all variables from one shell script to another?
...mmand, or if the assignment is a result of the operation of the getopts or read utilities, the export attribute shall persist until the variable is unset.
From the Bash Manual:
-a: Mark variables and function which are modified or created for export to the environment of subsequent commands.
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Are class names in CSS selectors case sensitive?
I keep reading everywhere that CSS is not case sensitive, but I have this selector
4 Answers
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node.js child process - difference between spawn & fork
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Thank you for addressing "why" - all the posts I read up til this one missed that simple portion of the explanation.
– aaaaaa
Sep 30 '16 at 13:09
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What is a stored procedure?
...nt execute rights to a stored procedure but the user will not need to have read/write permissions on the underlying tables. This is a good first step against SQL injection.
Stored procedures do come with downsides, basically the maintenance associated with your basic CRUD operation. Let's say for e...
Get cookie by name
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use a cookie getting script:
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if ...
Why must a lambda expression be cast when supplied as a plain Delegate parameter
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For anyone else reading this, I think the question&answers to C#: Automating the InvokeRequired code pattern are very helpful.
– Erik Philips
Jan 9 '13 at 1:12
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Which characters are valid in CSS class names/selectors?
..., form feed and carriage return) in a class name attribute, because they already separate classes from each other.
So, if you need to turn a random string into a CSS class name: take care of NUL and space, and escape (accordingly for CSS or HTML). Done.
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How to make a phone call in android and come back to my activity when the call is done?
...ollowing permission:
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
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