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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:
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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.
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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.)
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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
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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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jQuery and TinyMCE: textarea value doesn't submit
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Before submitting the form, call tinyMCE.triggerSave();
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What is an IIS application pool?
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Application pools allow you to isolate your applications from one another, even if they are running on the same server. This way, if there is an error in one app, it won't take down other applications.
Additionally, applications pools allow ...
How do I close an open port from the terminal on the Mac?
...t be the first attempt to kill a process, and it a very bad habit. As I recall, you should first just use kill PID(which implies -15), then try -2 and -1. -9 is the last resort only if every other options failed to work.
– Meow
Oct 8 '14 at 8:31
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A beginner's guide to SQL database design [closed]
...le, link to an address in a separate addresses table, for example.
I personally like having an integer or long surrogate key on each table (that holds data, not those that link different tables together, e,g., m:n relationships) that is the primary key.
I also like having a created and modified time...