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How to set top-left alignment for UILabel for iOS application?
...turn nil;
// set inital value via IVAR so the setter isn't called
_verticalAlignment = VerticalAlignmentTop;
return self;
}
-(VerticalAlignment) verticalAlignment
{
return _verticalAlignment;
}
-(void) setVerticalAlignment:(VerticalAlignment)value
{
_verticalAlignment = value...
Rebase a single Git commit
... commits you don't want to include in the rebase.
git rebase -i <target_branch> where target_branch is the branch you want to rebase on to
Then you will edit the file that is opened and pick the commits you do want and drop (or d for short) all the commits you don't want to bring along.
...
Usage of protocols as array types and function parameters in swift
...help overcome this limitation in some cases.
struct AnyX {
private let _x: () -> Int
var x: Int { return _x() }
init<T: X>(_ some: T) {
_x = { some.x }
}
}
// Usage Example
struct XY: X {
var x: Int
var y: Int
}
struct XZ: X {
var x: Int
var z: In...
What is the difference between the bridge pattern and the strategy pattern?
...n UML
Strategy Pattern in Swift:
protocol PrintStrategy {
func print(_ string: String) -> String
}
class Printer {
let strategy: PrintStrategy
init(strategy: PrintStrategy) {
self.strategy = strategy
}
func print(_ string: String) -> String {
return self.strateg...
Handling specific errors in JavaScript (think exceptions)
...
try-catch-finally.js
Using try-catch-finally.js, you can call the _try function with an anonymous callback, which it will call, and you can chain .catch calls to catch specific errors, and a .finally call to execute either way.
Example
_try(function () {
throw 'My error';
})
.catch(Erro...
Should I use Java's String.format() if performance is important?
... Another poorly implemented micro-benchmark. How do both methods scale by orders of magnitude. How about using, 100, 1000, 10000, 1000000, operations. If you only run one test, on one order of magnitude, on a application that isn't running on an isolated core; there's no way to tell how much of the...
What is the difference between char * const and const char *?
... *const foo, *const bar;. C declarator syntax...
– gx_
Aug 28 '13 at 18:35
...
Can Selenium Webdriver open browser windows silently in background?
...river
from selenium.webdriver.chrome.options import Options
CHROME_PATH = '/usr/bin/google-chrome'
CHROMEDRIVER_PATH = '/usr/bin/chromedriver'
WINDOW_SIZE = "1920,1080"
chrome_options = Options()
chrome_options.add_argument("--headless")
chrome_options.add_argument(...
Get list of all routes defined in the Flask app
...
All the routes for an application are stored on app.url_map which is an instance of werkzeug.routing.Map. You can iterate over the Rule instances by using the iter_rules method:
from flask import Flask, url_for
app = Flask(__name__)
def has_no_empty_params(rule):
defaults...
How to migrate back from initial migration in Django 1.7?
...ocs.djangoproject.com/en/1.7/ref/django-admin/…
– n__o
Jul 31 '15 at 5:50
@n__o Thanks. Updated answer.
...