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Node.js: Difference between req.query[] and req.params
Is there a difference between obtaining QUERY_STRING arguments via req.query[myParam] and req.params.myParam ? If so, when should I use which?
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Get the IP address of the machine
...ifAddrStruct);
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr) {
continue;
}
if (ifa->ifa_addr->sa_family == AF_INET) { // check it is IP4
// is a valid IP4 Address
tmpAddrPtr=&((struct ...
Can I add jars to maven 2 build classpath without installing them?
...temPath like this one: "<systemPath>${basedir}/lib/BrowserLauncher2-1_3.jar</systemPath>" ${basedir} is pointing to your project's root.
– Frederic Morin
Apr 19 '09 at 7:40
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How to access a preexisting collection with Mongoose?
...ctions of UserSchema and I want to give each one a different name Eg: users_server1, users_server2, users_server3...
– Ragnar
Jun 6 '14 at 20:41
1
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switch / pattern matching idea
...Car as car when car.EngineType = Gasoline -> 200 + car.Doors * 20
| _ -> failwith "blah"
assuming you'd defined a class hierarchy along the lines of
type Vehicle() = class end
type Motorcycle(cyl : int) =
inherit Vehicle()
member this.Cylinders = cyl
type Bicycle() = inherit ...
How to unescape HTML character entities in Java?
... int j = i;
while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';')
j++;
if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) {
i++;
continue;
}
// ...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
... and
$(window).scroll
to check if the user already scrolled by himself,
_.delay()
to trigger a delay before you display the prompt -- the prompt shouldn't be to obtrusive
$('#prompt_div').fadeIn('slow')
to fade in your prompt and of course
$('#prompt_div').fadeOut('slow')
to fade out when the u...
Rails find_or_create_by more than one attribute?
There is a handy dynamic attribute in active-record called find_or_create_by:
5 Answers
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Difference between socket and websocket?
...: http://highlevellogic.blogspot.com/2011/09/websocket-server-demonstration_26.html
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extract part of a string using bash/cut/split
... \) marks a capture group. This is \([^:]*\).
The [^:] says any character _except a colon, and the * means zero or more.
.* means the rest of the line.
\1 means substitute what was found in the first (and only) capture group. This is the name.
Here's the breakdown matching the string with the re...