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Change select box option background color
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Yes you can set this by oppisite way using this,
option:not(:checked) { }
check this demo jsFiddle
HTML
<select>
<option val="">Please choose</option>
<option val="1">Option 1</option>
<o...
How do I run a simple bit of code in a new thread?
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Be careful about setting IsBackground to true. It probably does not do what you think it does. What it does, is configure whether the thread will be killed when all foreground threads have died, or whether the thread will keep the application...
Redirecting stdout to “nothing” in python
... Sure, just save a reference to the original sys.stdout and set it back after. For example old_stdout = sys.stdout before any of the other code, then sys.stdout = old_stdout when you are done.
– Andrew Clark
Aug 20 '14 at 21:05
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Could not locate Gemfile
...irectory where you run that command.
Gemfile is a file containing your gem settings for a current program.
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What is attr_accessor in Ruby?
...! And guess what: the instance variable @name in our person object will be set just like when we did it manually, so you can use it in other methods.
class Person
attr_accessor :name
def greeting
"Hello #{@name}"
end
end
person = Person.new
person.name = "Dennis"
person.greeting # =>...
nodejs how to read keystrokes from stdin
...f you switch to raw mode:
var stdin = process.openStdin();
require('tty').setRawMode(true);
stdin.on('keypress', function (chunk, key) {
process.stdout.write('Get Chunk: ' + chunk + '\n');
if (key && key.ctrl && key.name == 'c') process.exit();
});
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Create Git branch with current changes
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Or, in one command: git checkout -b newBranch
As mentioned in the git reset man page:
$ git branch topic/wip # (1)
$ git reset --hard HEAD~3 # (2) NOTE: use $git reset --soft HEAD~3 (explanation below)
$ git checkout topic/wip # (3)
You have made some commits, but realize they were pr...
Angularjs loading screen on ajax request
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Instead of setting up a scope variable to indicate data loading status, it is better to have a directive does everything for you:
angular.module('directive.loading', [])
.directive('loading', ['$http' ,function ($http)
{
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Difference between System.DateTime.Now and System.DateTime.Today
... calling any of the following:
DateTime.UtcNow.ToLocalTime()
DateTimeOffset.UtcNow.LocalDateTime
DateTimeOffset.Now.LocalDateTime
TimeZoneInfo.ConvertTime(DateTime.UtcNow, TimeZoneInfo.Local)
TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZoneInfo.Local)
DateTime.Today returns a DateTime ...
Program only crashes as release build — how to debug?
...You can specify this either in your computer properties, or in the Project Settings in Visual Studio. That might make the crash reproducible with the debugger attached.
More on debugging heap corruption here.
If the previous solution doesn't work, you need to catch the unhandled exception and atta...