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Unable to simultaneously satisfy constraints, will attempt to recover by breaking constraint
...T:
extension NSLayoutConstraint {
override public var description: String {
let id = identifier ?? ""
return "id: \(id), constant: \(constant)" //you may print whatever you want here
}
}
OBJECTIVE-C
@interface NSLayoutConstraint (Description)
@end
@implementation NSL...
I want to get the type of a variable at runtime
... Any = 5
def f[T](v: T) = v match {
case _: Int => "Int"
case _: String => "String"
case _ => "Unknown"
}
f(x)
Here it doesn't matter what is the type of the variable, Any. What matters, what is checked is the type of 5, the value. In fact, T is useless -- you might as we...
Why is early return slower than else?
...king up are the
same object (which in this case they will be because short strings
that could be identifiers are interned so identical identifiers use
the exact same string).
Finally when the slot is full, the hash matches exactly, but the keys
are not the identical object, then and only then will P...
Compiler error: memset was not declared in this scope
...
You should include <string.h> (or its C++ equivalent, <cstring>).
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LINQ - Full Outer Join
...zed, right now.
See it live on http://ideone.com/O36nWc
static void Main(string[] args)
{
var ax = new[] {
new { id = 1, name = "John" },
new { id = 2, name = "Sue" } };
var bx = new[] {
new { id = 1, surname = "Doe" },
new { id = 3, surname = "Smith" } };...
WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip
...added:
protected void Application_Start(object sender, EventArgs e)
{
string JQueryVer = "1.7.1";
ScriptManager.ScriptResourceMapping.AddDefinition("jquery", new ScriptResourceDefinition
{
Path = "~/Scripts/jquery-" + JQueryVer + ".min.js",
DebugPath = "~/Scripts/jquery-...
Copying text to the clipboard using Java
...s for me and is quite simple:
Import these:
import java.awt.datatransfer.StringSelection;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
And then put this snippet of code wherever you'd like to alter the clipboard:
String myString = "This text will be copied into clipboard";
S...
Defining a HTML template to append using JQuery
...th iteration (<% for), conditionals (<% if) and transforms (<%= myString | uppercase %>) seen as microlanguage at best, and anti-patterns at worst. Modern templating practices encourage simply mapping an object to its DOM (or other) representation, e.g. what we see with properties mapped...
Where does the iPhone Simulator store its data?
...r you can po NSHomeDirectory() from the debugger. In either case, copy the string and open it in the finder with Cmd+Shift+G. This works better because you are asking with a standard command instead of needing to know something that changes.
– Benjohn
Jan 5 '1...
How do I parallelize a simple Python loop?
... output3.append(out3)
finish = time.time()
# these kinds of format strings are only available on Python 3.6:
# time to upgrade!
print(f'original inputs: {repr(output1)}')
print(f'total time to execute {sum(output2)} = sum({repr(output2)})')
print(f'time saved by parallelizing...