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“using namespace” in c++ headers
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and how should we streamline the template functions--which are supposed to be in the headers? typedefs?
– Chris
Mar 11 '18 at 11:43
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Twitter Bootstrap - add top space between rows
...otstrap is a bad idea, because this is a core part of the page scaffolding and you will need rows without a top margin.
To solve this, instead create a new class "top-buffer" that adds the standard margin that you need.
.top-buffer { margin-top:20px; }
And then use it on the row divs where you...
How do you get git to always pull from a specific branch?
...al different projects. In each project, I always git clone [repository] and from that point, can always git pull , so long as I don't have outstanding changes, of course.
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Is it possible to style html5 audio tag?
...ur liking by not using the browser controls, but rolling your own controls and talking to the audio API via javascript.
Luckily, other people have already done this. My favorite player right now is jPlayer, it is very stylable and works great. Check it out.
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Reading and writing binary file
...r only stores a couple of ASCII characters from the first line in the file and nothing else.
7 Answers
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Check Whether a User Exists
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You can also check user by id command.
id -u name gives you the id of that user.
if the user doesn't exist, you got command return value ($?)1
And as other answers pointed out: if all you want is just to check if the user exists, use if with id directly, as i...
Bash history without line numbers
The bash history command is very cool. I understand why it shows the line numbers, but is there a way I can invoke the history command and suppress the line numbers?
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Search for a string in Enum and return the Enum
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Given the latest and greatest changes to .NET (+ Core) and C# 7, here is the best solution:
var ignoreCase = true;
Enum.TryParse("red", ignoreCase , out MyColours colour);
colour variable can be used within the scope of Enum.TryParse
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What is the right way to check for a null string in Objective-C?
...wing warning: comparison of distinct Objective-C types 'struct NSNull *' and 'struct NSString *' lacks a cast Is there any way of removing this (I dunno if things have changed since this question was asked)?
– thebossman
Dec 2 '10 at 1:40
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How to create a hash or dictionary object in JavaScript [duplicate]
...ill a.push({"key3","value3"}) work?
– Sangram Anand
Jun 17 '13 at 9:52
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push is an array me...