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Please explain the exec() function and its family
... family have different behaviours:
l : arguments are passed as a list of strings to the main()
v : arguments are passed as an array of strings to the main()
p : path/s to search for the new running program
e : the environment can be specified by the caller
You can mix them, therefore you have:
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How to convert DateTime to VarChar
...DECLARE @myDateTime DATETIME
SET @myDateTime = '2008-05-03'
--
-- Convert string
--
SELECT LEFT(CONVERT(VARCHAR, @myDateTime, 120), 10)
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MySql : Grant read only options?
...edure, you'd build the GRANT statement with dynamic SQL and/or directly manipulate the grant tables themselves.
In this recent question on Database Administrators, the poster wanted the ability for an unprivileged user to modify other users, which of course is not something that can normally be don...
Fastest way to remove first char in a String
Say we have the following string
4 Answers
4
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How to find memory leak in a C++ code/project?
...you allocated:
char* str = new char [30]; // Allocate 30 bytes to house a string.
delete [] str; // Clear those 30 bytes and make str point nowhere.
2
Reallocate memory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost ir...
How do I view the SQLite database on an Android device? [duplicate]
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how to use Stetho in eclipse ?
– Istiaque Ahmed
Jun 12 '16 at 10:03
1
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How to determine if a string is a number with C++?
...'ve had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working sm...
Converting any string into camel case
How can I convert a string into camel case using javascript regex?
33 Answers
33
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Where in memory are my variables stored in C?
...t; data (correct)
constant data types -----> code and/or data. Consider string literals for a situation when a constant itself would be stored in the data segment, and references to it would be embedded in the code
local variables(declared and defined in functions) --------> stack (correct)
va...
How can I find out if I have Xcode commandline tools installed?
...ow you get it from the store, and with this new mechanism it can't install extra things outside of the Xcode.app, so you have to manually do it yourself, by:
xcode-select --install
On Xcode 4.x you can check to see if they are installed from within the Xcode
UI:
On Xcode 5.x it is now here:
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