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Is there a way to measure how sorted a list is?
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142
You can simply count the number of inversions in the list.
Inversion
An inversion in a sequence...
What is the use of static constructors?
...omplicated (see "beforefieldinit"), and changed subtly between CLR2 and CLR4). Unless you abuse reflection, it is guaranteed to run at most once (even if two threads arrive at the same time).
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How to send a message to a particular client with socket.io
... AdamAdam
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Call removeView() on the child's parent first
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kasgokukasgoku
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Error 1022 - Can't write; duplicate key in table
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547
The most likely you already have a constraint with the name iduser or idcategory in your databa...
How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?
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94
If you created your provisioning profile before configuring the app ID for push, try to regenera...
How to negate a method reference predicate
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Anton BalaniucAnton Balaniuc
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add a co...
How to add multiple font files for the same font?
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edited Aug 23 '15 at 19:44
Peter Mortensen
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What is @ModelAttribute in Spring MVC?
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403
@ModelAttribute refers to a property of the Model object (the M in MVC ;)
so let's say we have...
Convert SVG to PNG in Python
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import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cairo(ctx)
img.write_to_png("svg.png")
Update: ...