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Should I use multiplication or division?
...ted constant to perfect precision, the answer can still be different.
x = 100.0;
x / 3.0 == x * (1.0/3.0) // is false in the test I just performed
The speed issue is only likely to matter in C/C++ or JIT languages, and even then only if the operation is in a loop at a bottleneck.
...
Merge two Git repositories without breaking file history
...2:55
Dai
100k2121 gold badges164164 silver badges259259 bronze badges
answered Jan 22 '13 at 23:57
Eric LeeEri...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...ike i.e.
myIcon-58.png
myIcon-57.png
myIcon-72.png
myIcon-80.png
myIcon-100.png
....
And drag and drop them on to the correct boxes under AppIcon. See screenshots. You don't have to manually edit plist file.
share
...
Difference between string and char[] types in C++
...ibfoo.dll and uses it in his VC2010-built application. His code loads MSVCP100.dll and your libfoo.dll still loads MSVCP90.dll -> you get two heaps -> memory cannot be freed, assertion errors in debug mode if libfoo modifies the string reference and hands an std::string with a new pointer back...
Copying text to the clipboard using Java
...m a GUI application? On which platform? Does it work setting the clipboard 100 times in a row (with some appropriate pause between each set)?
– Peter Mortensen
Feb 9 '18 at 22:28
...
SQL Server : Columns to Rows
...). You could compare it yourself if you want, here's sqlfiddle example, on 100000 rows it was 29s (xml) vs 14s (dynamic);
may be it could be harder to understand for people not familiar with xpath;
pros
it's the same scope as your other queries, and that could be very handy. A few examples come ...
Is there a way to use SVG as content in a pseudo element :before or :after
...ke this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
</svg>
...
Python 3.x rounding behavior
...l('1') to quantize(decimal.Decimal('0.00') if you want to round to nearest 100s such as for money.
– Igor
Feb 1 '17 at 18:14
...
PostgreSQL: Difference between text and varchar (character varying)
...of greater than 2712 is tried to be inserted. It means that you can insert 100.000 character of string which is composed by repetitive characters easily because it will be compressed far below 2712 but you may not be able to insert some string with 4000 characters because the compressed size is grea...
Asynchronously wait for Task to complete with timeout
...
How about this:
int timeout = 1000;
var task = SomeOperationAsync();
if (await Task.WhenAny(task, Task.Delay(timeout)) == task) {
// task completed within timeout
} else {
// timeout logic
}
And here's a great blog post "Crafting a Task.Timeout...