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Is a url query parameter valid if it has no value?
....g. it will often contain another URI).
3.4. Query
The query component contains non-hierarchical data that, along with
data in the path component (Section 3.3), serves to identify a
resource within the scope of the URI's scheme and naming authority
(if any). ...
... H...
'adb' is not recognized as an internal or external command, operable program or batch file
...Path and click Edit...
You then need to append a ; if there isn't already one at the end of the Variable value field, and then append C:\Users\<your-username>\AppData\Local\Android\sdk\platform-tools; to that same field.
Then click the three OK buttons to get out.
If you already have a Comm...
Capturing TAB key in text box [closed]
...
The previous answer is fine, but I'm one of those guys that's firmly against mixing behavior with presentation (putting JavaScript in my HTML) so I prefer to put my event handling logic in my JavaScript files. Additionally, not all browsers implement event (or e...
Python 3.x rounding behavior
...ificant. The Python 3.0 approach eliminates this issue.
There is more than one method of rounding in common use. IEEE 754, the international standard for floating-point math, defines five different rounding methods (the one used by Python 3.0 is the default). And there are others.
This behavior is n...
How to move child element from one parent to another using jQuery [duplicate]
... this is the best solution, because the detach()+append() won't clone the element but will move that to the new location. The events and the assocciated data won't get lost this way
– Denes Papp
Jan 17 '13 at 6:20
...
Is the C# static constructor thread safe?
...stance will be synchronised. There are a variety of ways that this can be done; I've shown one below.
public class Singleton
{
private static Singleton instance;
// Added a static mutex for synchronising use of instance.
private static System.Threading.Mutex mutex;
private Singleton...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...ely :) i was just pointing out that the actual source is available now. none of the other answers/etc had a link to the actual source :D
– John Gardner
Jun 3 '16 at 17:32
1
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Best way to replace multiple characters in a string?
... two characters
I timed all the methods in the current answers along with one extra.
With an input string of abc&def#ghi and replacing & -> \& and # -> \#, the fastest way was to chain together the replacements like this: text.replace('&', '\&').replace('#', '\#').
Timin...
Restoring Nuget References?
...nterrupted, you will loss all your package references and will need to add one-by-one to every project in your solution.
– Bill Velasquez
Aug 13 '14 at 14:54
2
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What are the differences between the threading and multiprocessing modules?
...ance benefit from threading. The same is true if the heavy computation is done by some subprocess that you run and wait on.
More importantly, there are cases where this doesn't matter. For example, a network server spends most of its time reading packets off the network, and a GUI app spends most o...