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Immutable vs Unmodifiable collection
... not copy the collection, where as the immutable version used in guava and now also in jdk9+ with e.g. List.of(...) does indeed copy twice!
– benez
Sep 24 '18 at 18:03
add a c...
Is the practice of returning a C++ reference variable evil?
...nt() {
int* i = new int;
return *i; // DON'T DO THIS.
}
Because now the client has to eventually do the strange:
int& myInt = getInt(); // note the &, we cannot lose this reference!
delete &myInt; // must delete...totally weird and evil
int oops = getInt();
delete ...
Is there any way to check if iOS app is in background?
...onDidBecomeActive:(UIApplication *)application {
NSLog(@"app is actvie now");
}
- (void)applicationWillResignActive:(UIApplication *)application {
NSLog(@"app is not actvie now");
}
share
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...
What is unit testing and how do you do it? [duplicate]
...un an exhaustive examination of your program's capabilities. So then you know it works and therefore write fewer bugs as well as fixing bugs with greater speed.
– robertpostill
Mar 16 '09 at 23:06
...
How to solve Operator '!=' cannot be applied to operands of type 'T' and 'T' [duplicate]
...os: Yeah I wonder how many people are using the wrong method in their code now...
– user541686
Oct 21 '13 at 21:14
...
What does “dereferencing” a pointer mean?
...ate, see "More about memory addresses, and why you probably don't need to know" at the end of this answer.
When you want to access the data/value in the memory that the pointer points to - the contents of the address with that numerical index - then you dereference the pointer.
Different computer...
Windows git “warning: LF will be replaced by CRLF”, is that warning tail backward?
...en using core.autocrlf, the bogus "LF
will be replaced by CRLF" warning is now suppressed.
As quaylar rightly comments, if there is a conversion on commit, it is to LF only.
That specific warning "LF will be replaced by CRLF" comes from convert.c#check_safe_crlf():
if (checksafe == SAFE_CRLF_WA...
Understanding MongoDB BSON Document size limit
...y agree with you, also it defeats the purpose of having embedded documents now, as most embedded documents will now cross the limit easily. Esp with array of documents inside them
– Sharjeel Ahmed
Feb 15 '16 at 8:43
...
Test iOS app on device without apple developer program or jailbreak
...lso, you must do this for every .sdk you want to be able to run on device.
Now, in your project settings, you can change Code Signing Identity to Don't Code Sign.
Your app should now build and install on your device successfully.
UPDATE:
There are some issues with iOS 5.1 SDK that this method may no...
What is the significance of load factor in HashMap?
...crease the likelyhood of hash collisions? -- The hashing algorithm has no knowledge of how many items are in the map or how often it acquires new storage "buckets", etc. For any set of objects of the same size, regardless of how they are stored, you should have the same probability of repeated hash...