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Difference between SelectedItem, SelectedValue and SelectedValuePath
...ritten book on Silverlight? I don't believe I'm talking to you. :-)... I'm reading this book nowadays. Really an awesome work. :-)
– Nawaz
Feb 4 '11 at 20:14
...
Returning value from called function in a shell script
...true" ]
then
echo "directory not created"
else
echo "directory already created"
fi
2. Return exit status
lockdir="somedir"
testlock(){
if mkdir "$lockdir"
then # Directory did not exist, but was created successfully
echo >&2 "successfully acquired lock: $lockdir"...
Preferred way of loading resources in Java
... (it will need to be in the same directory as classes in that package).
Thread.currentThread().getContextClassLoader().getResource(name)
will load with the context class loader but will not resolve the name according to any package (it must be absolutely referenced)
System.class.getResource(name...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...nstead of closing it. Once the
connection is returned to the pool, it is ready to be reused on the
next Open call.
So obviously there's no reason to avoid creating,opening or closing connections since actually they aren't created,opened and closed at all. This is "only" a flag for the connecti...
C++ templates that accept only certain types
...lem with that is that the error messages you get are going to be tricky to read. It is nevertheless a very common way to do this. The standard library is full of function or class templates that expect certain behavior from the template type, and do nothing to check that the types used are valid.
...
Practical uses for AtomicInteger
...
As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator from Brian Göetz's Java Concur...
How to apply unmerged upstream pull requests from other forks into my fork?
...e
You can also do this via the github webpage.
I assume, you should have already a fork (MyFork) of the common repo (BaseRepo) which has the pending pull request from a fork (OtherFork) you are interested in.
Navigate to the fork (OtherFork) which has initiated the pull request which you like to ge...
Why do we use Base64?
... a GIF image is encoded in base64 as a chunk of an email. The email client reads the headers and decodes it. Because of the encoding, we can be sure the GIF doesn't contain anything that may be interpreted as protocol and we avoid inserting data that SMTP or POP may find significant.
...
Why use bzero over memset?
...much about ingraining into everyone's minds that the manual is there to be read and answers most of your questions. I'm thankful for this, as opposed to some other professors.
– PseudoPsyche
Jun 14 '13 at 14:58
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ASP.NET MVC 404 Error Handling [duplicate]
... with waiting until request end are that some of the request context has already been discarded such as session state.
– Dale K
Mar 4 '12 at 5:44
6
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