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Insert line break inside placeholder attribute of a textarea?
... a line \nthis should be a new line');
Then you could remove it on focus and apply it back (if empty) on blur. Something like this
var placeholder = 'This is a line \nthis should be a new line';
$('textarea').attr('value', placeholder);
$('textarea').focus(function(){
if($(this).val() === p...
What's the point of map in Haskell, when there is fmap?
...or a map function? Couldn't it just be what is currently known as fmap and fmap could be removed from the language?
3...
Split list into smaller lists (split in half)
...mber of parts you want, not just split 'in half'):
EDIT: updated post to handle odd list lengths
EDIT2: update post again based on Brians informative comments
def split_list(alist, wanted_parts=1):
length = len(alist)
return [ alist[i*length // wanted_parts: (i+1)*length // wanted_parts]...
Is gcc std::unordered_map implementation slow? If so - why?
... performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map .
...
Move all files except one
...
If you use bash and have the extglob shell option set (which is usually the case):
mv ~/Linux/Old/!(Tux.png) ~/Linux/New/
share
|
improve...
What's the difference between streams and datagrams in network programming?
...the call, the other answers, you say hello to each other (SYN/ACK in TCP), and then you exchange information. Once you are done, you say goodbye (FIN/ACK in TCP). If one side doesn't hear a goodbye, they will usually call the other back since this is an unexpected event; usually the client will re...
Hash Map in Python
... The second example just builds a dict in the same ways as before and then copies it. The other use dict, which would be more appopriate in this context, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, thi...
Reload content in modal (twitter bootstrap)
...
I am having the same problem, and I guess the way of doing this will be to remove the data-toggle attribute and have a custom handler for the links.
Something in the lines of:
$("a[data-target=#myModal]").click(function(ev) {
ev.preventDefault();
...
How to configure port for a Spring Boot application
...
As said in docs either set server.port as system property using command line option to jvm -Dserver.port=8090 or add application.properties in /src/main/resources/ with
server.port=8090
For random port use
server.port=0
Similarly add application.yml in /src/main/resources/ with
server:
po...
How to print struct variables in console?
...poses you have an instance of Project (in 'yourProject')
The article JSON and Go will give more details on how to retrieve the values from a JSON struct.
This Go by example page provides another technique:
type Response2 struct {
Page int `json:"page"`
Fruits []string `json:"fruits"`...