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How to inspect the return value of a function in GDB?
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程序员之网络安全系列（三）：数据加密之对称加密算法 - 更多技术 - 清泛网...
...ted, byte[] passwordBytes)
{
byte[] encryptedBytes = null;
// Set your salt here, change it to meet your flavor:
// The salt bytes must be at least 8 bytes.
byte[] saltBytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
using (MemoryStream ms = new MemoryStream())
{
us...
Is there a Mutex in Java?
...
Mistake in original post is acquire() call set inside the try loop.
Here is a correct approach to use "binary" semaphore (Mutex):
semaphore.acquire();
try {
//do stuff
} catch (Exception e) {
//exception stuff
} finally {
semaphore.release();
}
...
RootViewController Switch Transition Animation
Is there any way to have a Transition/animation effect while replacing an existing viewcontroller as rootviewcontroller with a new one in the appDelegate?
...
Django fix Admin plural
... here, as django is smart enough to capitalize it when we need it.
I find setting this option in model-class weird as opposed to the admin.py file.
Here is the location in the dev docs where it is described:
http://docs.djangoproject.com/en/dev/ref/models/options/#verbose-name-plural
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How do you use script variables in psql?
...
Postgres variables are created through the \set command, for example ...
\set myvariable value
... and can then be substituted, for example, as ...
SELECT * FROM :myvariable.table1;
... or ...
SELECT * FROM table1 WHERE :myvariable IS NULL;
edit: As of psql 9....
Making TextView scrollable on Android
...
You don't need to use a ScrollView actually.
Just set the
android:scrollbars = "vertical"
properties of your TextView in your layout's xml file.
Then use:
yourTextView.setMovementMethod(new ScrollingMovementMethod());
in your code.
Bingo, it scrolls!
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Is Mono ready for prime time? [closed]
Has anyone used Mono, the open source .NET implementation on a large or medium sized project? I'm wondering if it's ready for real world, production environments. Is it stable, fast, compatible, ... enough to use? Does it take a lot of effort to port projects to the Mono runtime, or is it really, r...
How can I make git ignore future revisions to a file?
...es the repository, they get a copy of this file. However, I would like to set git so that it ignores changes to this file later. .gitignore works only on untracked files.
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How can I list all tags in my Git repository by the date they were created?
I need some way to list all tags in my system by the date they were created but am not sure if I can get that data via git-log. Ideas?
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