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How to match a String against string literals in Rust?
...intln!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println!("something else!"),
}
There's also an as_str method as of Rust 1.7.0:
match stringthing.as_str() {
"a" => println!("0"),
"b" => println!("1"),
"c" => println!("2"),
_ => println...
Python argparse ignore unrecognised arguments
...
Replace
args = parser.parse_args()
with
args, unknown = parser.parse_known_args()
For example,
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--foo')
args, unknown = parser.parse_known_args(['--foo', 'BAR', 'spam'])
prin...
Why is printing to stdout so slow? Can it be sped up?
... I experimented earlier with huge (up to 10MB with fp = os.fdopen(sys.__stdout__.fileno(), 'w', 10000000)) python-side buffers. Impact was nil. ie: still long tty delays. This made me think/realize that you just postpone the slow tty problem... when python's buffer finally flushes the tty st...
iPhone - Get Position of UIView within entire UIWindow
...ew.frame.origin toView:nil];
2014 Edit: Looking at the popularity of Matt__C's comment it seems reasonable to point out that the coordinates...
don't change when rotating the device.
always have their origin in the top left corner of the unrotated screen.
are window coordinates: The coordinate s...
How do I update/upsert a document in Mongoose?
...faults, setters, validators, middleware" mongoosejs.com/docs/api.html#model_Model.findOneAndUpdate
– kellen
Nov 6 '14 at 16:56
...
屏幕控制使用指导 · App Inventor 2 中文网
...时页：开始计时时常亮，暂停或结束时恢复：
when 按钮_开始.Click() {
屏幕控制1.KeepScreenOn = true
计时器1.TimerEnabled = true
}
when 按钮_暂停.Click() {
屏幕控制1.KeepScreenOn = false
计时器1.TimerEnabled = false
}
要点：
常亮只在 App ...
Best way to serialize an NSData into a hexadeximal string
...rsion.h
#import <Foundation/Foundation.h>
@interface NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSString *)hexadecimalString;
@end
NSData+Conversion.m
#import "NSData+Conversion.h"
@implementation NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSStr...
What's the algorithm to calculate aspect ratio?
...store.steampowered.com/hwsurvey, section 'Primary Display Resolution'
steam_file = './steam.txt'
# Taken from http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Vector_Video_Standards4.svg/750px-Vector_Video_Standards4.svg.png
accepted_ratios = ['5:4', '4:3', '3:2', '8:5', '5:3', '16:9', '17:...
How to convert boost path type to string?
... canonical is deprecated in newer versions of Boost boost.org/doc/libs/1_48_0/libs/filesystem/v3/doc/…
– Brian Jack
Nov 30 '14 at 2:59
...
Render basic HTML view?
...te.
Using express 3.0.0 and 3.1.0, the following works:
app.set('views', __dirname + '/views');
app.engine('html', require('ejs').renderFile);
See the comments below for alternative syntax and caveats for express 3.4+:
app.set('view engine', 'ejs');
Then you can do something like:
app.get('/...