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Array vs. Object efficiency in JavaScript
...
var newNo = Math.floor(Math.random()*60000+10000);
if (!o[newNo.toString()]) o[newNo.toString()] = {id: newNo, name: 'test'};
if (!a2[newNo]) a2[newNo] = {id: newNo, name: 'test' };
a1.push({id: newNo, name: 'test'});
}
Original Post - Explanation
There are some misconceptions...
Visual Studio 64 bit?
...start in a hole and you have to dig yourself out of that hole by
using the extra memory above 4G to your advantage. In Visual Studio
this can happen in some large solutions but I think a preferable thing
to do is to just use less memory in the first place. Many of VS’s
algorithms are amenable to...
Using varchar(MAX) vs TEXT on SQL Server
... wrong. LIKE can not use index ONLY if wildcard is at the beginning of the string being searched against.
– SouravA
Jan 5 '15 at 22:42
...
How do I add multiple arguments to my custom template filter in a django template?
...lter, but there's no reason you can't put all your arguments into a single string using a comma to separate them.
So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this:
{% if X|is_in:"1,2,3,4" %}
Now we can cr...
How to get the connection String from a database
...io, I would like to now use it in my C# application. I need the connection string?
11 Answers
...
Abstract classes in Swift Language
... the protocol extension.
protocol MyInterface {
func myMethod() -> String
}
extension MyInterface {
func myMethod() -> String {
fatalError("Not Implemented")
}
}
class MyConcreteClass: MyInterface {
func myMethod() -> String {
return "The output"
}...
Best design for a changelog / auditing database table? [closed]
...f the message is system generated, just use a key here for the translation string;
– jonathancardoso
Dec 4 '13 at 18:51
4
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Move (or “Undo”) last git commit to unstaged area [duplicate]
...
git-extras provides a git undo command which is an easier to remember way of doing the same thing (along with a number of other handy extras, as the name implies).
...
Placeholder in UITextView
...HolderTextView : UITextView
@property (nonatomic, retain) IBInspectable NSString *placeholder;
@property (nonatomic, retain) IBInspectable UIColor *placeholderColor;
-(void)textChanged:(NSNotification*)notification;
@end
UIPlaceHolderTextView.m:
#import "UIPlaceHolderTextView.h"
@interface UI...
How do you change the size of figures drawn with matplotlib?
... make it work I need to call plt.rcParams["figure.figsize"] = (20,3) in an extra cell. When I call it in the same cell as the import statement, it gets ignored.
– asmaier
May 11 '18 at 7:33
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