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catch exception that is thrown in different thread
...
class Program
{
static void Main(string[] args)
{
Task<int> task = new Task<int>(Test);
task.ContinueWith(ExceptionHandler, TaskContinuationOptions.OnlyOnFaulted);
task.Start();
Console.ReadLine();
}
static int Test()
{
throw ...
How do you get the width and height of a multi-dimensional array?
...
Use GetLength(), rather than Length.
int rowsOrHeight = ary.GetLength(0);
int colsOrWidth = ary.GetLength(1);
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How to check if two arrays are equal with JavaScript? [duplicate]
... works in almost all cases, except that null!==undefined but they both are converted to JSON representation null and considered equal:
function arraysEqual(a1,a2) {
/* WARNING: arrays must not contain {objects} or behavior may be undefined */
return JSON.stringify(a1)==JSON.stringify(a2);
}...
How do I get an empty array of any size in python?
... you modify one item, all will be changed. ...But, for this example using integers (or any other immutable type), it makes no difference. Or, if you just assign to elements, it is not a problem either. (I mention it because I've done exactly that far too often :) )
– dappawi...
Why is there no logical xor in JavaScript?
...se it with booleans and it will give the result as a 0 or 1 (which you can convert back to boolean, e.g. result = !!(op1 ^ op2)). But as John said, it's equivalent to result = (op1 != op2), which is clearer.
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Why does GCC generate such radically different assembly for nearly the same C code?
...unc_one().
Believe it or not, fast_trunc_one() is being optimized to this:
int fast_trunc_one(int i) {
int mantissa, exponent;
mantissa = (i & 0x07fffff) | 0x800000;
exponent = 150 - ((i >> 23) & 0xff);
if (exponent < 0) {
return (mantissa << -exponen...
C# using streams
... say, you just want to transfer text.
However, .NET provides classes that convert between native types and the low-level stream interface, and transfers the data to or from the stream for you. Some notable such classes are:
StreamWriter // Badly named. Should be TextWriter.
StreamReader // Badly n...
How do I expand the output display to see more columns of a pandas DataFrame?
Is there a way to widen the display of output in either interactive or script-execution mode?
19 Answers
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Do I need all three constructors for an Android custom view?
...(context, attrs, 0);
}
public MyView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context, attrs, defStyle);
}
private void init(Context context, AttributeSet attrs, int defStyle) {
// do additional work
}
The reason is that the parent cl...
builtins.TypeError: must be str, not bytes
I've converted my scripts from Python 2.7 to 3.2, and I have a bug.
2 Answers
2
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