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Init method in Spring Controller (annotation version)
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This is the log output showing the order of the calls when the container starts.
2018-11-30 18:29:30.504 DEBUG 3624 --- [ main] com.example.demo.BeanA : Created...
2018-11-30 18:29:30.509 DEBUG 3624 --- [ main] com.example.demo.BeanB : Creat...
What is the volatile keyword useful for?
...se a volatile boolean variable as a flag to terminate a thread. If you've started a thread, and you want to be able to safely interrupt it from a different thread, you can have the thread periodically check a flag. To stop it, set the flag to true. By making the flag volatile, you can ensure that...
How to calculate “time ago” in Java?
...h has passed from the 1st of January 1970 the date when the unix timestamp started
– Riccardo Casatta
Aug 14 '17 at 8:12
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Clojure: cons (seq) vs. conj (list)
... to conj(oin an item onto a collection). The seq being constructed by cons starts with the element passed as its first argument and has as its next / rest part the thing resulting from the application of seq to the second argument; as displayed above, the whole thing is of class clojure.lang.Cons. I...
Transpose/Unzip Function (inverse of zip)?
...lgl: No,you're probably right. I was just hoping some future version might start doing the right thing. (It's not impossible to change, the side-effect semantics that need changes are probably already discouraged.)
– Anders Eurenius
Oct 15 '12 at 12:54
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What is the best workaround for the WCF client `using` block issue?
... it seems to work great. This is how things should have been done from the start, without the "using" paradigm or so on.
TReturn UseService<TChannel, TReturn>(Func<TChannel, TReturn> code)
{
var chanFactory = GetCachedFactory<TChannel>();
TChannel channel = chanFactory.Cre...
Remove large .pack file created by git
...option is to save the code and .git somewhere and then delete the .git and start again using this existing code, creating a new git repository (git init).
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Is “double hashing” a password less secure than just hashing it once?
...cter. Instead, they use an ordered list of the most likely passwords. They start with "password123" and progress to less frequently used passwords.
Let's say an attackers list is long, with 10 billion candidates; suppose also that a desktop system can compute 1 million hashes per second. The attac...
Best way to reverse a string
...text)
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int j = 0; j < times; j++)
{
d(text);
}
sw.Stop();
Console.WriteLine("{0} Ticks {1} : called {2} times.", sw.ElapsedTicks, descripti...
Significance of bool IsReusable in http handler interface
... Context switching is when a CPU stops processing on one thread and starts processing on another. I.E. the CPU switched it's context from one thread to another. This happens constantly in PCs, it gave us the illusion of multitasking before there were multicore computers.
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