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Difference between Statement and PreparedStatement
...nt:
Precompilation and DB-side caching of the SQL statement leads to overall faster execution and the ability to reuse the same SQL statement in batches.
Automatic prevention of SQL injection attacks by builtin escaping of quotes and other special characters. Note that this requires that you use a...
How to grant permission to users for a directory using command line in Windows?
...s instead. This is how you grant John full control over D:\test folder and all its subfolders:
C:\>icacls "D:\test" /grant John:(OI)(CI)F /T
According do MS documentation:
F = Full Control
CI = Container Inherit - This flag indicates that subordinate containers will inherit this ACE.
OI = Ob...
How to combine class and ID in CSS selector?
...
There are differences between #header .callout and #header.callout in css.
Here is the "plain English" of #header .callout:
Select all elements with the class name callout that are descendants of the element with an ID of header.
And #header.callout means:
Select...
How to make a Bootstrap accordion collapse when clicking the header div?
...
All you need to do is to to use...
data-toggle="collapse"
data-target="#ElementToExpandOnClick"
...on the element you want to click to trigger the collapse/expand effect.
The element with data-toggle="collapse" will be...
javascript function leading bang ! syntax
...
Ideally you should be able to do all this simply as:
function(){
// do stuff
}();
That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar.
So shortest form of achieving ...
Parsing JSON using Json.net
... @Marc Gravell: Thanks a lot! I knew nothing about JSon. But this example allowed me easily create configuration file (with hierarchical structure) for my application.
– Peter17
Apr 7 '11 at 15:17
...
What is the use of a private static variable in Java?
... as ClassName.varName . I am also aware that static members are shared by all instances of a class and are not reallocated in each instance.
...
Calculate MD5 checksum for a file
... {
return md5.ComputeHash(stream);
}
}
(I believe that actually the MD5 implementation used doesn't need to be disposed, but I'd probably still do so anyway.)
How you compare the results afterwards is up to you; you can convert the byte array to base64 for example, or compare the by...
Why are primes important in cryptography?
...
Most basic and general explanation: cryptography is all about number theory, and all integer numbers (except 0 and 1) are made up of primes, so you deal with primes a lot in number theory.
More specifically, some important cryptographic algorithms such as RSA critically depen...
How do I edit an incorrect commit message in git ( that I've pushed )?
...rest: in BK you could.
And if you're used to it (like I was) it was really quite practical. I
would apply a patch-bomb from Andrew, notice something was wrong, and just
edit it before pushing it out.
I could have done the same with git. It would have been easy enough to
make just ...