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What is a regular expression which will match a valid domain name without a subdomain?
...ne seems to be working. What kind of domains won't pass validation do you know?
– Dominic
Apr 24 '12 at 22:13
12
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JavaScript closures vs. anonymous functions
...ree variable.
That free variable is called an upvalue of the closure F.
Now let's use this to figure out who uses closures and who doesn't (for the sake of explanation I have named the functions):
Case 1: Your Friend's Program
for (var i = 0; i < 10; i++) {
(function f() {
var i2...
how to make twitter bootstrap submenu to open on the left side?
...on and my answer are from august 2012. Meanwhile, Bootstrap is changed, so now you have .pull-left class. Back then, my answer was correct. Now you don't have to manually set css, you have that .pull-left class.
– Miljan Puzović
Mar 2 '14 at 19:58
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Handling InterruptedException in Java
...t an InterruptedException is a perfectly valid result of the method call.
Now, if the method you're calling throws such exception, what should your method do? You can figure out the answer by thinking about the following:
Does it make sense for the method you are implementing to throw an Interrupt...
What is an 'endpoint' in Flask?
...y_hello')
def give_greeting(name):
return 'Hello, {0}!'.format(name)
Now, when Flask routes the request, the logic looks like this:
URL (http://www.example.org/greeting/Mark) should be handled by Endpoint "say_hello".
Endpoint "say_hello" should be handled by View Function "give_greeting"
H...
LLVM vs clang on OS X
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LLVM originally stood for "low-level virtual machine", though it now just stands for itself as it has grown to be something other than a traditional virtual machine. It is a set of libraries and tools, as well as a standardized intermediate representation, that can be used to help build co...
Best way to merge two maps and sum the values of same key?
...
The shortest answer I know of that uses only the standard library is
map1 ++ map2.map{ case (k,v) => k -> (v + map1.getOrElse(k,0)) }
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Copying files from one directory to another in Java
...
For now this should solve your problem
File source = new File("H:\\work-temp\\file");
File dest = new File("H:\\work-temp\\file2");
try {
FileUtils.copyDirectory(source, dest);
} catch (IOException e) {
e.printStackTrace...
How to enter in a Docker container already running with a new TTY
...er exec -it will eventually provide a fully-functional pseudo tty, but for now (Docker version 1.9.1), there are some shortcomings : github.com/docker/docker/issues/8755
– blong
Jan 5 '16 at 3:11
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How to profile methods in Scala?
...noTime()
println("Elapsed time: " + (t1 - t0) + "ns")
result
}
// Now wrap your method calls, for example change this...
val result = 1 to 1000 sum
// ... into this
val result = time { 1 to 1000 sum }
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