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C++ catching all exceptions
...
try{
// ...
} catch (...) {
// ...
}
will catch all C++ exceptions, but it should be considered bad design. You can use c++11's new current_exception mechanism, but if you don't have the ability to use c++11 (legacy code systems requiring a rewrite), then you have no name...
Validate decimal numbers in JavaScript - IsNumeric()
...g containing a numeric value (I had to consider also exponential notation, etc.), a Number object, virtually anything could be passed to that function, I couldn't make any type assumptions, taking care of type coercion (eg. +true == 1; but true shouldn't be considered as "numeric").
I think is wor...
Do declared properties require a corresponding instance variable?
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In your interface, you can formally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement usin...
How to find the array index with a value?
...code marked as the correct answer but it seems that that code wont work in all versions of IE. This answer works in all versions of IE but I changed the code slightly: var arrayPosition = $.inArray( value, Array ); works perfectly
– James Blackburn
Dec 13 '13 ...
Good tutorials on XMPP? [closed]
...ce articles explaining the basics and terminology - stanzas, IQ, presence, etc, etc. Even the Wikipedia page misses this, unsurprisingly the open-source projects assume you know these things before you start digging into the code.
...
“To Do” list before publishing Android app to market [closed]
...mall as possible, so double-check you're only including resources (images, etc.) that are still being used in your app. Use OptiPNG/ PNGCrush on any .png images you have in your app - that can reduce the image file sizes by about 10%, which can be a significant part of your overall app size.
Also, ...
What is the maximum size of a web browser's cookie's key?
...ou read about is for the entire cookie, including name, value, expiry date etc. If you want to support most browsers, I suggest keeping the name under 4000 bytes, and the overall cookie size under 4093 bytes.
One thing to be careful of: if the name is too big you cannot delete the cookie (at least ...
How do I find the install time and date of Windows?
...estion, but how can I find out (hopefully via an API/registry key) the install time and date of Windows?
19 Answers
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Get the generated SQL statement from a SqlCommand object?
...n improvements :)
This does an OK job on data types and output parameters etc similar to using "execute stored procedure" in SSMS. We mostly used SPs so the "text" command doesn't account for parameters etc
public static String ParameterValueForSQL(this SqlParameter sp)
{
String re...
Temporarily disable auto_now / auto_now_add
...s:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.objects.get(pk=1)
# force a timestamp
lastweek = datetime.datetime.now() - datetime.timedelta(days=7)
FooBar.obj...