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Git: Merge a Remote branch locally
...this is a comment to @VonC answer. I put it as another answer because code blocks don't fit into the comment format)
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Is there a performance impact when calling ToList()?
... quite efficient and probably will map to some CPU instruction for copying blocks of memory. However, in terms of performance memory is required for the new array and CPU cycles are required for copying all the elements.
Otherwise the size of the source collection is unknown and the enumerator of IE...
Rails find_or_create_by more than one attribute?
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By passing a block to find_or_create, you can pass additional parameters that will be added to the object if it is created new. This is useful if you are validating the presence of a field that you aren't searching by.
Assuming:
class G...
Parse string to DateTime in C#
... is that exception handling (i.e. a try { ... } catch(Exception ex) { ...} block) - which is necessary when you're using Parse because it will throw an exception if an invalid string is parsed - is not only unnecessary in this case but also annoying, and complicating your code. TryParse avoids all t...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...oad to that activity, or you are trying to load fragment from an AsyncTask block(or anything will take a little time). The time, before the fragment transaction really happens, but after the activity's onCreate() method, user can do anything. If user press the home button, which triggers the activit...
Where can I learn how to write C code to speed up slow R functions? [closed]
... is because we take precautions and wrap the function call into a tryCatch block so that we capture R errors and promote them to C++ exceptions so that they can be dealt with using the standard try/catch in C++.
Most people want to use vectors (specially NumericVector), and the penalty is very sma...
What is the difference between ? and Object in Java generics?
...whatever is stored our hash map).
System.out.println(output);
The above block of code will print 10 to the console.
So, to finish off, use a HashMap with wildcards when you do not care (i.e., it does not matter) what the types of the HashMap are, for example:
public static void printHashMapSi...
Why isn't Python very good for functional programming? [closed]
...e functions
Lazy lists
Simple, powerful expression syntax (Python's simple block syntax prevents Guido from adding it)
No pattern matching and no tail recursion mean your basic algorithms have to be written imperatively. Recursion is ugly and slow in Python.
A small list library and no function...
Difference between attr_accessor and attr_accessible
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You have a typo, after the code block it should say attr_accesible
– Chubas
Jun 29 '10 at 1:33
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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...ze 64) which is pointing to 32 bits of memory" - wrong. The address of the block allocated by malloc was returned according to the calling convention for a void*. But the calling code thinks the function returns int (since you opted not to tell it otherwise), so it tries to read the return value acc...