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How do I prevent the iPhone screen from dimming or turning off while my application is running?
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IMHO it makes no difference from where you call this. It is always the entire app hit and each view is kept on screen, not dimmed.
– decades
Nov 19 '18 at 21:39
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Is it expensive to use try-catch blocks even if an exception is never thrown?
... stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may as well be free. It's actually throwing the exception that costs you - but unless you're throwing hundreds or thousands of exceptions, you still won't notice the cost.
try has some mino...
What Regex would capture everything from ' mark to the end of a line?
...ants to do. It serves as a reminder later that it is expecting everything from ' to the end of the line
– gnarf
May 6 '09 at 18:03
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What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...{} foo;
Getting close.
Now, what if this anonymous UDT were to derive from some base?
struct bar {}; // base UDT
struct : bar {} foo; // anonymous derived UDT, and instance thereof
Finally, C++11 introduces extended initialisers, such that we can do confusing things like this:
int x...
What is the difference between atan and atan2 in C++?
...ng the arctangent of all four quadrants. std::atan only allows calculating from quadrants 1 and 4.
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Highlight the difference between two strings in PHP
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From the new web site: "Update: the inline renderer is now a native part of the Text_Diff PEAR package. You don't need to use the hack presented here anymore." So just use Text_Diff now.
– Mat
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In git how is fetch different than pull and how is merge different than rebase?
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fetch vs pull
fetch will download any changes from the remote* branch, updating your repository data, but leaving your local* branch unchanged.
pull will perform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you ...
I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...ocalDate.getDayOfMonth();
Note that getMonthValue() returns an int value from 1 to 12.
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How to sort objects by multiple keys in Python?
...egated column need not be a number.
def multikeysort(items, columns):
from operator import itemgetter
comparers = [((itemgetter(col[1:].strip()), -1) if col.startswith('-') else
(itemgetter(col.strip()), 1)) for col in columns]
def comparer(left, right):
for fn...
How to use HTML Agility pack
...ml
htmlDoc.Load(filePath);
// Use: htmlDoc.LoadHtml(xmlString); to load from a string (was htmlDoc.LoadXML(xmlString)
// ParseErrors is an ArrayList containing any errors from the Load statement
if (htmlDoc.ParseErrors != null && htmlDoc.ParseErrors.Count() > 0)
{
// Handle any pa...