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Removing an item from a select box
...ray $("#myselect").removeOption(["myselect_1", "myselect_2"]);
To remove all options, you can do $("#myselect").removeOption(/./);.
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node.js: read a text file into an array. (Each line an item in the array.)
...oids the mentioned substring (tested on a file several megabytes worth of "All work and no play makes Jack a dull boy"):
function readLines(input, func) {
var remaining = '';
input.on('data', function(data) {
remaining += data;
var index = remaining.indexOf('\n');
var last = 0;
...
What does @: (at symbol colon) mean in a Makefile?
...nd nothing gets done.
For example (from Linux's scripts/Makefile.clean):
__clean: $(subdir-ymn)
ifneq ($(strip $(__clean-files)),)
+$(call cmd,clean)
endif
ifneq ($(strip $(__clean-dirs)),)
+$(call cmd,cleandir)
endif
ifneq ($(strip $(clean-rule)),)
+$(clean-rule)
endif
@:
...
Getting the current page
...ewController: UIScrollViewDelegate {
func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
let width = scrollView.frame.width
let page = Int(round(scrollView.contentOffset.x/width))
print("CurrentPage:\(page)")
}
}
...
RESTful URL design for search
...lue&doors=4&type=sedan #I don't recommend using &*
Or basically anything what isn't a slash as explained above.
The formula: /cars[?;]color[=-:]blue[,;+&], * though I wouldn't use the & sign as it is unrecognizable from the text at first glance.
** Did you know that passi...
How to detect if multiple keys are pressed at once using JavaScript?
... until its script is finished downloading. Putting it ahead of the content allows the content to load beforehand.
B (which is where your interest lies) You can check for one or more keys at a time where /*insert conditional here*/ was, take this example:
if(map[17] && map[16] && map[...
Response.Redirect with POST instead of Get?
...that first executes an AJAX request to your server with the data, and then allows the form to be submitted to the third-party server.
Create the form to post to your server. When the form is submitted, show the user a page that has a form in it with all of the data you want to pass on, all in hidde...
Returning value from called function in a shell script
I want to return the value from a function called in a shell script. Perhaps I am missing the syntax. I tried using the global variables. But that is also not working. The code is:
...
In C++, is it still bad practice to return a vector from a function?
...o says nothing about v-tables, so you can't be sure that virtual function calls are efficient either. Essentially, you need to put some faith in the compiler at times.
– Peter Alexander
Jun 28 '10 at 23:04
...
How to implement a queue using two stacks?
...
Keep 2 stacks, let's call them inbox and outbox.
Enqueue:
Push the new element onto inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Usin...