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Getting multiple keys of specified value of a generic Dictionary?
...ic IList<TSecond> EmptySecondList = new TSecond[0];
public void Add(TFirst first, TSecond second)
{
IList<TFirst> firsts;
IList<TSecond> seconds;
if (!firstToSecond.TryGetValue(first, out seconds))
{
seconds = new List<TSecond...
JavaScript global event mechanism
...
Community♦
111 silver badge
answered Jun 4 '09 at 16:57
Ionuț G. StanIonuț G. Stan
153k1818 gold ba...
How do you loop through currently loaded assemblies?
... could not figure out how to effectively show the versions of ALL of the loaded assemblies.
2 Answers
...
Difference between dispatch_async and dispatch_sync on serial queue?
...turn after the block is finished whereas dispatch_async return after it is added to the queue and may not finished.
for this code
dispatch_async(_serialQueue, ^{ printf("1"); });
printf("2");
dispatch_async(_serialQueue, ^{ printf("3"); });
printf("4");
It may print 2413 or 2143 or 1234 but 1 al...
How to save an activity state using save instance state?
...
Zhar
1,89422 gold badges1111 silver badges1414 bronze badges
answered Sep 30 '08 at 6:12
Reto MeierReto Meier
...
Mutable vs immutable objects
I'm trying to get my head around mutable vs immutable objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should...
Meaning of Choreographer messages in Logcat [duplicate]
I installed the latest versions of SDK (API 16) and got the latest ADT. I'm now seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this?
...
What is the most ridiculous pessimization you've seen? [closed]
... all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc. ...
How to test that no exception is thrown?
... framework. It can be written easily and runs quickly. It's trustworthy, readable, and maintainable. It's consistent in its results as long as production code hasn't changed.
What is important to realize is that one unit of work usually isn't just one method but at the very basic level it is one m...
Choose File Dialog [closed]
... static final String FTYPE = ".txt";
private static final int DIALOG_LOAD_FILE = 1000;
private void loadFileList() {
try {
mPath.mkdirs();
}
catch(SecurityException e) {
Log.e(TAG, "unable to write on the sd card " + e.toString());
}
if(mPath.exists()) {
...