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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...
@ghoppe: Worth noting that it differs from .floor() in that it actually just removes anything to the right of the decimal. This makes a difference when used against a negative number. Also, it will always return a number, and will never give you NaN. If it can't ...
How to use ng-repeat for dictionaries in AngularJs?
...repeat-end is placed (including the tag with ng-repeat-end).
Sample code (from a controller):
// ...
$scope.users = {};
$scope.users["182982"] = {name:"John", age: 30};
$scope.users["198784"] = {name:"Antonio", age: 32};
$scope.users["119827"] = {name:"Stephan", age: 18};
// ...
Sample HTML tem...
What does new self(); mean in PHP?
... will only allow 1 instance of an object like database connector handlers. From client code, accessing that instance would be done by creating a single access point, in this case he named it getInstance(), The getInstance in itself was the function that created the the object basically using the new...
WPF Blurry fonts issue- Solutions
...Technical background
There is a in-depth article about WPF Text rendering from one of the WPF Text Program Managers on windowsclient.net: Text Clarity in WPF.
The problem boils down to WPF needing a linearly scaling font-renderer for smooth animations. Pure ClearType on the other hand takes quite ...
Handle file download from ajax post
... would navigate the browser to the POST URL. I don't want to navigate away from the page. I want to perform the request in the background, process the response and present it to the client.
– Pavle Predic
Apr 18 '13 at 15:30
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Formatting NSDate into particular styles for both year, month, day, and hour, minute, seconds
...SDate *now = [[NSDate alloc] init];
NSString *theDate = [dateFormat stringFromDate:now];
NSString *theTime = [timeFormat stringFromDate:now];
NSLog(@"\n"
"theDate: |%@| \n"
"theTime: |%@| \n"
, theDate, theTime);
[dateFormat release];
[timeFormat release];
[now release];
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Python: What OS am I running on?
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I'd have thought it's more likely you upgraded from Windows 8 (vs. it being a clean install) and whatever Python looks up in the registry or whatever was left behind?
– OJFord
Jan 30 '18 at 20:53
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How do I extend a class with c# extension methods?
...tension methods use instances of that type.
There is nothing stopping you from creating your own static helper method like this:
static class DateTimeHelper
{
public static DateTime Tomorrow
{
get { return DateTime.Now.AddDays(1); }
}
}
Which you would use like this:
DateTim...
How to pass a user defined argument in scrapy spider
... def parse(self, response)
self.log(self.domain) # system
Taken from the Scrapy doc: http://doc.scrapy.org/en/latest/topics/spiders.html#spider-arguments
Update 2013: Add second argument
Update 2015: Adjust wording
Update 2016: Use newer base class and add super, thanks @Birla
Update ...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...n enumerates the array internally, so it's not cheating to omit a for loop from the join test, either).
– Roy Tinker
Jul 22 '13 at 18:18
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