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C pointers : pointing to an array of fixed size
...sing technique is the dominance of naive approach to typing of dynamically allocated arrays. For example, if the program calls for fixed arrays of type char[10] (as in your example), an average developer will malloc such arrays as
char *p = malloc(10 * sizeof *p);
This array cannot be passed to a...
Version vs build in Xcode
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OT: You have a leak in your method - you alloc/init the string, which retains the string, but you're not releasing it. On an object you return from a method, you should generally use a convenience method so the string is autoreleased automatically, or call autorelea...
Is there a performance difference between i++ and ++i in C++?
... What the compiler can avoid is the second copy to return tmp, by allocating tmp in the caller, through NRVO, as mentioned by another comment.
– Blaisorblade
Jan 15 '09 at 0:13
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Why does this method print 4?
... to Java Virtual Machine Specifications for JAVA 6,
frames may be heap allocated.
So, when a frame is created, there should be enough heap space to create a stack frame and enough stack space to store the new reference which point to the new stack frame if the frame is heap allocated.
Now let...
Difference between objectForKey and valueForKey?
...ntNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber *anAccountNumber = [NSNumber numberWith...
What's the best way to build a string of delimited items in Java?
... this I used
android.text.TextUtils.join(CharSequence delimiter, Iterable tokens)
http://developer.android.com/reference/android/text/TextUtils.html
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Displaying better error message than “No JSON object could be decoded”
...the example given by tom:
>>> rson.loads('[1,2,]')
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rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1, column 6, text ']'
RSON is a designed to be a superset of JSON, so it can parse JSON files. It also has an alternate syntax which is much nicer for humans to lo...
Why is a pure virtual function initialized by 0?
...ro in this case. = 0 in just a syntactical construct consisting of = and 0 tokens, which has absolutely no relation to either initialization or assignment.
It has no relation to any actual value in "vtable". The C++ language has no notion of "vtable" or anythng like that. Various "vtables" are noth...
What is simplest way to read a file into String? [duplicate]
... end of the string anchor. This ultimately makes the input have one actual token, which is the entire file, so it can be read with one call to next().
There is a constructor that takes a File and a String charSetName (among many other overloads). These two constructor may throw FileNotFoundExceptio...
How do I run a simple bit of code in a new thread?
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@slayernoah you can pass a CancellationTokenSource as a parameter to it and set the cancellation token outside the thread: msdn.microsoft.com/en-us/library/dd997364(v=vs.110).aspx
– Spongebob Comrade
May 9 '16 at 2:35
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