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Why use JUnit for testing?
..., checking the path of a robot, filling a bottle of soda, aggregating data from a hundred web services, checking the audit trail of a financial transaction... you get the idea. "Output" doesn't mean a few lines of text, "output" means aggregate system behavior.
Lastly, unit and behavior tests de...
Convert SVG image to PNG with PHP
... ie8 or lower without requiring the user to install an svg viewer plugin - from SVG Wikipedia page: "All major modern web browsers, support and render SVG markup directly with the very notable exception of Microsoft Internet Explorer (IE)[3] The Internet Explorer 9 beta supports the basic SVG featur...
Best way to implement Enums with Core Data
...! so much easier than creating tables in the db, unless your db is filled from a web service then its probably best to use a db table!
– TheLearner
Oct 4 '11 at 8:33
6
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When to use AtomicReference in Java?
...rst need to obtain a lock on that object. This prevents some other thread from coming in during the meantime and changing the value in the middle of the new string concatenation. Then when your thread resumes, you clobber the work of the other thread. But honestly that code will work, it looks cle...
iPhone Keyboard Covers UITextField
...View beginAnimations: @"anim" context: nil];
[UIView setAnimationBeginsFromCurrentState: YES];
[UIView setAnimationDuration: movementDuration];
self.view.frame = CGRectOffset(self.view.frame, 0, movement);
[UIView commitAnimations];
}
...
Waiting until two async blocks are executed before starting another block
...ule them on the same serial queue, they'll run serially. It's no different from scheduling the blocks without groups.
– Jörn Eyrich
Aug 11 '12 at 14:12
1
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C++ unordered_map using a custom class type as the key
...p; third == other.third);
}
};
Here is a simple hash function (adapted from the one used in the cppreference example for user-defined hash functions):
namespace std {
template <>
struct hash<Key>
{
std::size_t operator()(const Key& k) const
{
using std::size...
Unable to start debugging because the object invoked has disconnected from its clients
...
This may be a possible answer for the problem.
Some from the answer:
Check which files were changed (why and how) after update from a source control engine
Review the list of extensions and plugins. Try to disable all or some of them
Close Visual Studio and kill all the deve...
Drawing text to with @font-face does not work at the first time
...call the fillText method. However, the browser has not yet loaded the font from the network, which is a background task. So it has to fall back to the font it does have available.
If you want to make sure the font is available, have some other element on the page preload it, eg.:
<div style="fo...
~x + ~y == ~(x + y) is always false?
...sides are not equal, since they have at least that one bit that is flipped from each other.
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