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Identify if a string is a number
...ld use double.TryParse, since we want to know if it represents a number at all.
– John Gietzen
May 21 '09 at 18:31
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PHP mkdir: Permission denied problem
...te permissions on the directory.
Here's what you do in Ubuntu
Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R...
Can I safely delete contents of Xcode Derived data folder?
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Yes, you can delete all files from DerivedData sub-folder (Not DerivedData Folder) directly.
That will not affect your project work. Contents of DerivedData folder is generated during the build time and you can delete them if you want. It's no...
RSA Public Key format
...EF115FAA231B15153D67837A63
265:d=1 hl=2 l= 3 prim: INTEGER :010001
To decode the SSH key format, you need to use the data format specification in RFC 4251 too, in conjunction with RFC 4253:
The "ssh-rsa" key format has the following specific encoding:
string "ssh-rsa"...
Compare given date with today
... Tyler CarterTyler Carter
55.8k2020 gold badges120120 silver badges146146 bronze badges
1
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Is std::vector copying the objects with a push_back?
...e name of an entity declared as rvalue reference, then the argument is actually an lvalue and will not be moved from) - check my edit to the answer of "Karl Nicoll" which made that mistake initially
– M.M
Apr 16 '17 at 0:17
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On a CSS hover event, can I change another div's styling? [duplicate]
...;
That's using the general sibling combinator (~).
Both + and ~ work in all modern browsers and IE7+
If #b is a descendant of #a, you can simply use #a:hover #b.
ALTERNATIVE: You can use pure CSS to do this by positioning the second element before the first. The first div is first in markup, bu...
Android Layout with ListView and Buttons
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That's what I've basically been using, though I'm writing the layout in Java. The listView still extends over the buttons.
– Kleptine
Mar 5 '10 at 1:28
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
We all know that to select all columns from a table, we can use
41 Answers
41
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How to delete large data of table in SQL without log?
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If you are Deleting All the rows in that table the simplest option is to Truncate table, something like
TRUNCATE TABLE LargeTable
GO
Truncate table will simply empty the table, you cannot use WHERE clause to limit the rows being deleted and...