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MongoDB Show all contents from all collections
Is it possible to show all collections and its contents in MongoDB?
8 Answers
8
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How to convert the background to transparent? [closed]
...gging the image around in your browser for visibility,
the gray background and the border is not part of the image]
File menu/Save Image
GIF/PNG/ICO image file formats support transparency, JPG doesn't!
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Setting mime type for excel document
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I believe the standard MIME type for Excel files is application/vnd.ms-excel.
Regarding the name of the document, you should set the following header in the response:
header('Content-Disposition: attachment; filename="name_of_excel_file.x...
ORDER BY the IN value list
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@user80168 What if there are thousands values in IN clause? because I have got to do it for thousands records
– kamal
Oct 20 '16 at 10:35
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Why rename synthesized properties in iOS with leading underscores? [duplicate]
...ss. If you think you can trust yourself to remember whether you're using a raw instance variable or an accessor method, just do it like this instead:
@interface Foo : Bar
@property (retain) Baz *qux;
@end
@implementation Foo
@synthesize qux;
- (void)dealloc {
[qux release];
[super dealloc];
}...
Setting DIV width and height in JavaScript
..., use a progressive JavaScript library like jQuery. The only reason I used raw JavaScript in my code is because it was for embed code on client websites, so the actual environments would differ from site to site, and the easiest way to avoid library conflicts in the wild is to just not use them.
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iPad browser WIDTH & HEIGHT standard
Does anyone know the safest width and height for the BODY when viewing any web page on the iPad? I want to avoid the scrollbars as much as possible.
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Multiply TimeSpan in .NET
...ged to point out that @JustinPihony answered nearly two years before I did and it was the information in his answer that allowed me to write mine.
– Stephen Hewlett
Oct 25 '13 at 20:36
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Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dat...
What's the best way to set a single pixel in an HTML5 canvas?
...;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect( x, y, 1, 1 );
You can test the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here h...