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How to print a number with commas as thousands separators in JavaScript
... '.' problem '123456789.01234'.replace(/\B(?=(?=\d*\.)(\d{3})+(?!\d))/g, '_')
– Dmitrij Golubev
Jun 17 '13 at 9:29
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Is there a way to check if a file is in use?
...tem.Runtime.InteropServices;
internal static class Helper
{
const int ERROR_SHARING_VIOLATION = 32;
const int ERROR_LOCK_VIOLATION = 33;
private static bool IsFileLocked(Exception exception)
{
int errorCode = Marshal.GetHRForException(exception) & ((1 << 16) - 1);
return errorCode...
Is there any advantage of using map over unordered_map in case of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
iPad/iPhone hover problem causes the user to double click a link
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This has its flaws. If you click a link with target="_blank" it will open in the same window AND in a new window.
– rybo111
Nov 19 '13 at 0:36
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Difference between std::system_clock and std::steady_clock?
What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great).
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git: abort commit in the middle of typing message
... ctrl+k all lines then save and exit will abort
– Juh_
Jun 18 at 17:34
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What is the Scala identifier “implicitly”?
...yRef{def min(i: Int): Int} = 1
scala> .getClass
res24: java.lang.Class[_] = class scala.runtime.RichInt
Implicit Views can also be triggered when an expression does not conform to the Expected Type, as below:
scala> 1: scala.runtime.RichInt
res25: scala.runtime.RichInt = 1
Here the compi...
Examples of GoF Design Patterns in Java's core libraries
...take however to consider them as builders (so you are not really to blame ^_^)
– Angel O'Sphere
May 25 '11 at 13:41
78
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Sort points in clockwise order?
...wered Aug 10 '11 at 15:01
static_rttistatic_rtti
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How can prepared statements protect from SQL injection attacks?
...very SQL injection example shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users where id=$expected_data";
will produce a regular query
SELECT * FROM users where id=1
while this code
$spoiled_data = "1; DROP TABLE users;"
$query = "SELECT * FROM users...