大约有 26,000 项符合查询结果（耗时：0.0573秒） [XML]
How can I use getSystemService in a non-activity class (LocationManager)?
I'm having trouble offloading tasks from the main Activities OnCreate method onto another class to do the heavy lifting.
5 ...
What is the best Distributed Brute Force countermeasure?
First, a little background: It is no secret that I am implementing an auth+auth system for CodeIgniter, and so far I'm winning (so to speak). But I've run into a pretty non-trivial challenge (one that most auth libraries miss entirely, but I insist on handling it properly): how to deal intelligently...
How to place and center text in an SVG rectangle
...ly in SVG:
Set the position of the text to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x of that element + half its width (and similar for y but with the height).
Use the text-...
How are the points in CSS specificity calculated
...ut the issue.
However, as many have already pointed out, the W3C CSS recommendation states that "Concatenating the three numbers a-b-c (in a number system with a large base) gives the specificity." So the geek in me just had to figure out just how large this base is.
It turns out that the "very la...
JavaScript get window X/Y position for scroll
...orce a scroll from one section to another. However, there seems to be a tremendous amount of options when it comes to guessing which object holds the true X/Y for your browser.
...
Connect to a locally built Jekyll Server using mobile devices in the LAN
...accessible on your network.
Without --host=0.0.0.0 Jekyll will output something like this when you start up:
$ jekyll serve
[...]
Server address: http://127.0.0.1:4000/
Server running... press ctrl-c to stop.
But with --host=0.0.0.0 (or host: 0.0.0.0 in _config.yml) you'll notice that it's lis...
For loop example in MySQL
...table if exists foo;
create table foo
(
id int unsigned not null auto_increment primary key,
val smallint unsigned not null default 0
)
engine=innodb;
drop procedure if exists load_foo_test_data;
delimiter #
create procedure load_foo_test_data()
begin
declare v_max int unsigned default 1000;
decl...
Get local IP address
... string GetLocalIPAddress()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
foreach (var ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
return ip.ToString();
}
}
throw new Exception("No network adapters with a...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
...lumns fill equal width across the row.
Bootstrap 3
The Bootstrap 3 grid comes in 4 tiers (or "breakpoints")...
Extra small (for smartphones .col-xs-*)
Small (for tablets .col-sm-*)
Medium (for laptops .col-md-*)
Large (for laptops/desktops .col-lg-*).
These grid sizes enable you to control grid b...
Trying to fix line-endings with git filter-branch, but having no luck
... to true . Unfortunately, I didn't do this early enough, so now every time I pull changes the line endings are borked.
8...