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Cocoa Autolayout: content hugging vs content compression resistance priority
...<NSContentSizeLayoutConstraint:0x7fd82982af90 H:[UILabel:0x7fd82980e5e0'Hello'(39)] Hug:250 CompressionResistance:750>
<NSContentSizeLayoutConstraint:0x7fd82982b4f0 V:[UILabel:0x7fd82980e5e0'Hello'(21)] Hug:250 CompressionResistance:750>
...
JavaScript query string [closed]
...- such as hex character encoding where %20 represents a space (example: ?a=Hello%20World) or the plus symbol being used to represent a space (example: ?a=Hello+World).
Node.js offers what looks like a very complete solutions to querystring parsing. It would be easy to take out and use in your own p...
What does Ruby have that Python doesn't, and vice versa?
...nction, pass it around as an object, and overwrite it:
def func(): print "hello"
def another_func(f): f()
another_func(func)
def func2(): print "goodbye"
func = func2
This is a fundamental feature of modern scripting languages. JavaScript and Lua do this, too. Ruby doesn't treat functions this...
Changing one character in a string
...as lists; turn them into strings only when needed.
>>> s = list("Hello zorld")
>>> s
['H', 'e', 'l', 'l', 'o', ' ', 'z', 'o', 'r', 'l', 'd']
>>> s[6] = 'W'
>>> s
['H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd']
>>> "".join(s)
'Hello World'
Pytho...
How to add color to Github's README.md file
...oloured text in the image e.g. https://placehold.it/150/ffffff/ff0000?text=hello
– AlecRust
Aug 28 '18 at 13:58
Very u...
Create a new object from type parameter in generic class
...eturn new type(...args);
}
export class Foo {
bar() {
console.log("Hello World")
}
}
getInstance(Foo).bar();
If you have arguments, you can use.
export class Foo2 {
constructor(public arg1: string, public arg2: number) {
}
bar() {
console.log(this.arg1);
console.log(this...
Check if a string is null or empty in XSLT
...test the attribute.
<xsl:if test="CategoryName/@xsi:nil='true'">
Hello World.
</xsl:if>
Sometimes it's necessary to know the exact state and you can't simply check if CategoryName is instantiated, because unlike say Javascript
<xsl:if test="CategoryName">
Hello World.
<...
How do I convert a String to an int in Java?
...stated in Javadoc.
int foo;
String StringThatCouldBeANumberOrNot = "26263Hello"; //will throw exception
String StringThatCouldBeANumberOrNot2 = "26263"; //will not throw exception
try {
foo = Integer.parseInt(StringThatCouldBeANumberOrNot);
} catch (NumberFormatException e) {
//Will Th...
How do I use Django templates without the rest of Django?
...o.conf import settings
settings.configure(DEBUG=False)
template_string = "Hello {{ name }}"
template = Template(template_string, engine=Engine())
context = Context({"name": "world"})
output = template.render(context) #"hello world"
...
Android basics: running code in the UI thread
... }
}
It can be used from anywhere like this:
textViewUpdater.setText("Hello");
textViewUpdaterHandler.post(textViewUpdater);
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