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When converting a project to use ARC what does “switch case is in protected scope” mean?
...en a while, but I seem to remember something in the C standard that didn't allow variable assignment after a case statement because the code is not really inside of a block. By adding curly braces {...} after the case and before the break, everything inside is in a scoped block and will behave as e...
Accessing inactive union member and undefined behavior?
...representation in the new type as described in 6.2.6 (a process sometimes called ‘‘type
punning’’). This might be a trap representation.
The situation with C++:
c++11
9.5 Unions [class.union]
In a union, at most one of the non-static data members can be active at any time, ...
Clustered vs Non-Clustered
... lower level knowledge of SQL (Server 2008) is limited, and is now being challanged by our DBAs. Let me explain (I have mentioned obvious statements in the hope that I am right, but if you see something wrong, please tell me) the scenario:
...
Linux find file names with given string
I'm on Ubuntu, and I'd like to find all files in the current directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
...
Failed to allocate memory: 8
...e, with 6GB sitting free while the Android emulator tells me that it can't allocate 1GB?
– Strozykowski
Nov 11 '11 at 1:38
5
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HashMap and int as key
...
You can't use a primitive because HashMap use object internally for the key. So you can only use an object that inherits from Object (that is any object).
That is the function put() in HashMap and as you can see it uses Object for K:
public V put(K key, V value) {
if (key == nu...
Drop columns whose name contains a specific string from pandas DataFrame
...
I really wonder what the comments saying this answer is "elegant" means. I myself find it quite obfuscated, when python code should first be readable. It also is twice as slower than the first answer. And it uses the regex keywor...
How do you force a CIFS connection to unmount
.... Detach the filesystem
from the filesystem hierarchy now, and
cleanup all references to the
filesystem as soon as it is not busy
anymore. (Requires kernel 2.4.11 or
later.)
share
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impr...
How do I see a C/C++ source file after preprocessing in Visual Studio?
...y get link a error saying some obj files cannot be found because it is actually not generated at all.
– smwikipedia
Aug 9 '16 at 2:16
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IntelliJ IDEA way of editing multiple lines
...
Thanks for the link. I accidentally hit upon this feature but somehow I couldn't figure out which key combination I accidentally pressed :)
– aberrant80
May 9 '14 at 6:14
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