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iPhone - Grand Central Dispatch main thread
...h_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0);
dispatch_async(backgroundQueue, ^{
int result = <some really long calculation that takes seconds to complete>;
dispatch_async(dispatch_get_main_queue(), ^{
[self updateMyUIWithResul...
Cannot change column used in a foreign key constraint
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edited Aug 9 '17 at 20:53
Jacob Bond
21511 silver badge1010 bronze badges
answered Nov 28 '12 at 13...
Reverse Y-Axis in PyPlot
...ph with a bunch of random x, y coordinates. Currently the Y-Axis starts at 0 and goes up to the max value. I would like the Y-Axis to start at the max value and go up to 0.
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...to my problem but none helped. I tried clean, rebuild. Reinstalled visual 2010 and change from professional to ultimate. But still I dont know why I have this error.
My project look like this:
1 Exe Solution to test my static library.
1 Dll Solution static library.
Code which is converted to dll is...
Impossible to Install PG gem on my mac with Mavericks
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edited Jun 30 '16 at 19:08
Spajus
6,95822 gold badges2121 silver badges2525 bronze badges
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Viewing a Deleted File in Git
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answered Sep 8 '09 at 18:15
CB BaileyCB Bailey
610k9090 gold badges596596 silver badges628628 bronze badges
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How do I parse a string into a number with Dart?
...sert(myInt is int);
print(myInt); // 12345
Note that int.parse() accepts 0x prefixed strings. Otherwise the input is treated as base-10.
You can parse a string into a double with double.parse(). For example:
var myDouble = double.parse('123.45');
assert(myDouble is double);
print(myDouble); // 1...
What exactly is Python's file.flush() doing?
...is a good thing, you should make both calls as instructed.
Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well,...
How to pick a new color for each plotted line within a figure in matplotlib?
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matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
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