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Language Books/Tutorials for popular languages
...don't really like Stroustrup's book, my preference goes to Thinking in C++ by Bruce Eckel. And I prefer ebooks, because i can Ctrl+F. It saved my life when I did Algorithms I class (with book Introduction to Algorithms)
– Tian Bo
Apr 24 '09 at 2:31
...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...here are raw string literals, which are exactly the string literals marked by an 'r' before the opening quote.
A "raw string literal" is a slightly different syntax for a string literal, in which a backslash, \, is taken as meaning "just a backslash" (except when it comes right before a quote that ...
Are PDO prepared statements sufficient to prevent SQL injection?
...'s based off an attack demonstrated here.
The Attack
So, let's start off by showing the attack...
$pdo->query('SET NAMES gbk');
$var = "\xbf\x27 OR 1=1 /*";
$query = 'SELECT * FROM test WHERE name = ? LIMIT 1';
$stmt = $pdo->prepare($query);
$stmt->execute(array($var));
In certain circ...
Convert Rows to columns using 'Pivot' in SQL Server
...' + QUOTENAME(Week)
from yt
group by Week
order by Week
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = 'SELECT store,' + @cols + ' from
(
select st...
What are Vertex Array Objects?
...
"Vertex Array Object" is brought to you by the OpenGL ARB Subcommittee for Silly Names.
Think of it as a geometry object. (As an old time SGI Performer programmer, I call them geosets.) The instance variables/members of the object are your vertex pointer, normal p...
What code analysis tools do you use for your Java projects? [closed]
...le):Missing a Javadoc comment.
My warning format transformations are done by my Ant script with Ant filterchains.
The second "integration" that I do is for warning suppression. By default, each tool supports comments or an annotation (or both) that you can place in your code to silence a warning t...
Hidden Features of SQL Server
...
You can get the name of the table in the query by using single quotes around the question mark. sp_msforeachtable "select count(*), '?' as tabenm from ?"
– Jody
Oct 29 '08 at 13:35
...
Why is semicolon allowed in this python snippet?
...yword and ends with a
colon. A suite is a group of statements controlled by a clause. A
suite can be one or more semicolon-separated simple statements on the
same line as the header, following the header’s colon, or it can be
one or more indented statements on subsequent lines. Only the la...
Curly braces in string in PHP
...he var named $name: {${$name}}";
echo "This is the value of the var named by the return value of getName(): {${getName()}}";
echo "This is the value of the var named by the return value of \$object->getName(): {${$object->getName()}}";
// Won't work, outputs: This is the return value of get...
Difference between binary semaphore and mutex
...ed resources (data structure, file, etc..).
A Mutex semaphore is "owned" by the task that takes it. If Task B attempts to semGive a mutex currently held by Task A, Task B's call will return an error and fail.
Mutexes always use the following sequence:
- SemTake
- Critical Section
- Sem...