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How can I remove duplicate rows?
...n. More importantly than why does it work: what is the difference between including the name of the table there or not?
– levininja
Nov 6 '13 at 20:28
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Disabling Chrome Autofill
...havior from name, id and any text content it can get surrounding the field including labels and arbitrary text nodes. If there is a autocomplete token like street-address in context, Chrome will autofill that as such. The heuristic can be quite confusing as it sometimes only trigger if there are add...
How to check if a stored procedure exists before creating it
...time a client executes the "database management" functionality. The script includes creating stored procedures on the client database. Some of these clients might already have the stored procedure upon running the script, and some may not. I need to have the missing stored procedures added to the c...
How to colorize diff on the command line?
... As an update to @Hi-Angel 's comment: colordiff has been updated and now includes side by side (-y) support.
– Bailey Parker
Jul 14 '15 at 19:25
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How to unpack and pack pkg file?
...and usually that's what you want to edit. And there's also a Bom file that includes information on the files inside that cpio archive, and a PackageInfo file that includes summary information.
If you really do just need to edit one of the info files, that's simple:
mkdir Foo
cd Foo
xar -xf ../Foo....
json_encode is returning NULL?
...ommended way of doing this has now changed. I tried to edit this answer to include a link but was rejected. The correct way is in my answer below.
– bejs
Sep 19 '14 at 4:38
1
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What do Clustered and Non clustered index actually mean?
...y copy of a table.
Non clustered indexes can also do point 1 by using the INCLUDE clause (Since SQL Server 2005) to explicitly include all non-key columns but they are secondary representations and there is always another copy of the data around (the table itself).
CREATE TABLE T
(
A INT,
B INT,
C ...
@property retain, assign, copy, nonatomic in Objective-C
... weak property or weak local variable to keep track of them. These classes include NSTextView, NSFont and NSColorSpace,etc. If you need to use a weak reference to one of these classes, you must use an unsafe reference.
An unsafe reference is similar to a weak reference in that it doesn’t keep i...
Difference between \n and \r?
...not require the use of \r\n. Various protocols based on Telnet require it, including SMTP, POP3, FTP, HTTP, ...
– Marquis of Lorne
Aug 8 '14 at 23:31
add a comment
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How much is the overhead of smart pointers compared to normal pointers in C++?
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Could you please include some details in your answer about the cases I added to my question?
– Venemo
Mar 12 '14 at 10:03
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