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How do I edit an existing tag message in git?
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The <tag name>^{} thing didn't work for me. After some searching I determined that this is a Windows thing: cmd.exe uses ^ as a shell escape, so you need to double it up.
– Karl Knechtel
Aug 13 at 16:13
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Percentage Height HTML 5/CSS
...eight (vh) and viewport width (vw):
div {
height:100vh;
}
See here for more info.
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Default function arguments in Rust
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@ChrisMorgan Do you have a source for that being officially discouraged?
– Jeroen
Nov 19 '17 at 21:00
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Incrementing in C++ - When to use x++ or ++x?
...on a while ago.
I know that you can use "++x" to make the incrementation before and "x++" to do it after.
10 Answers
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Manually adding a Userscript to Google Chrome
...abled. See Continuing to "protect" Chrome users from malicious extensions for more information. Again, Tampermonkey is the smart way to go. (Or switch browsers altogether to Opera or Firefox.)
Chrome 21+ :
Chrome is changing the way extensions are installed. Userscripts are pared-down extensions...
Detect permission of camera in iOS
...eo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
// do your logic
} else if(authStatus == AVAuthorizationStatusDenied){
// denied
} else if(authStatus == AVAuthorizationStatusRestricted){
// ...
Should I use char** argv or char* argv[]?
...ameters and arrays, there are a few confusing rules that should be clear before going on. First, what you declare in a parameter list is treated special. There are such situations where things don't make sense as a function parameter in C. These are
Functions as parameters
Arrays as parameters
A...
Logger slf4j advantages of formatting with {} instead of string concatenation
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It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4...
Build vs new in Rails 3
In the Rails 3 docs , the build method for associations is described as being the same as the new method, but with the automatic assignment of the foreign key. Straight from the docs:
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Necessary to add link tag for favicon.ico?
...ect the favicon.ico automatically? Is there any reason to add the link tag for favicon.ico?
5 Answers
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