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How to add image to canvas
....png';
base_image.onload = function(){
context.drawImage(base_image, 0, 0);
}
}
I.e. draw the image in the onload callback of the image.
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Save modifications in place with awk
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150
In GNU Awk 4.1.0 (released 2013) and later, it has the option of "inplace" file editing:
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What do linkers do?
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answered Jul 23 '10 at 23:04
IcemanindIcemanind
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How to enumerate an enum with String type?
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Swift 4.2+
Starting with Swift 4.2 (with Xcode 10), just add protocol conformance to CaseIterable to benefit from allCases. To add this protocol conformance, you simply need to write somewhere:
extension Suit: CaseIterable {}
If the enum is your own, you may specify the c...
C#: Looping through lines of multiline string
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answered Sep 30 '09 at 19:41
Jon SkeetJon Skeet
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AutoLayout with hidden UIViews?
...best way using AutoLayout to respond to hidden views as if their frame was 0x0. Here is an example of a dynamic list of 1-3 features.
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Pickle or json?
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edited Sep 30 '18 at 16:41
Daniel Heilper
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How do you make a WPF slider snap only to discrete integer positions?
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answered Oct 6 '08 at 2:10
Brian StewartBrian Stewart
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Are lists thread-safe?
...to concurrently access, the lists's data is not protected. For example:
L[0] += 1
is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cau...
How to convert a number to string and vice versa in C++
...g to numeric
float stof(const string& str, size_t *idx = 0);
double stod(const string& str, size_t *idx = 0);
long double stold(const string& str, size_t *idx = 0);
int stoi(const string& str, size_t *idx = 0, int base = 10);
long ...