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Determine if 2 lists have the same elements, regardless of order? [duplicate]
...o be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice):
set(x) == set(y)
If the elements are not hashable, but sortable, another alternative (runtime...
How to detect pressing Enter on keyboard using jQuery?
...
The whole point of jQuery is that you don't have to worry about browser differences. I am pretty sure you can safely go with enter being 13 in all browsers. So with that in mind, you can do this:
$(document).on('keypress',function(e) {
if(e.which == 13) {
alert('You pressed enter!');
...
How to add line break for UILabel?
...Update the label frame to match the size of the text using sizeWithFont:. If you don't do this your text will be vertically centered or cut off.
UILabel *label; // set frame to largest size you want
...
CGSize labelSize = [label.text sizeWithFont:label.font
constrainedToS...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... firewalld.service
Wants=network-online.target
[Service]
Type=notify
ExecStart=/usr/bin/dockerd
ExecReload=/bin/kill -s HUP $MAINPID
TimeoutSec=0
RestartSec=2
ExecStartPost=/usr/sbin/iptables -P FORWARD ACCEPT
Restart=always
TimeoutStartSec=0
LimitNOFILE=infinity
Limit...
Constructors in JavaScript objects
...) { return name; };
this.set_name = function (value) {
if (typeof value != 'string')
throw 'Name must be a string';
if (value.length < 2 || value.length > 20)
throw 'Name must be 2-20 characters long.';
name = value;
...
How can I convert my Java program to an .exe file? [closed]
If I have a Java source file (*.java) or a class file (*.class), how can I convert it to a .exe file?
14 Answers
...
Using link_to with embedded HTML
...
If you want a link in rails that uses that same icon class from twitter bootstrap all you need to do is something like this.
<%= link_to "Do it@", user_path(@user), :class => "btn icon-ok icon-white" %>
...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
...tch (System.IO.PathTooLongException) { }
catch (NotSupportedException) { }
if (ReferenceEquals(fi, null)) {
// file name is not valid
} else {
// file name is valid... May check for existence by calling fi.Exists.
}
For creating a FileInfo instance the file does not need to exist.
...
ASP.NET 4.5 has not been registered on the Web server
... Is /all necessary? Here: support.microsoft.com/kb/2736284 they do not specify it...
– CITBL
Oct 3 '13 at 9:25
...
Is jQuery “each()” function synchronous?
...urn false" information.
var all_ok=true;
$(selector).each(function(){
if(!validate($(this))){
all_ok=false; //this tells the outside world something went wrong
return false; //this breaks the .each iterations, returning early
}
});
if(!all_ok){
alert('something went wron...