大约有 40,000 项符合查询结果(耗时:0.0703秒) [XML]
How to enable/disable bluetooth programmatically in android
...e enabled without direct user consent. If you want to turn on Bluetooth in order to create a wireless connection, you should use the ACTION_REQUEST_ENABLE Intent, which will raise a dialog that requests user permission to turn on Bluetooth. The enable() method is provided only for applications that ...
AngularJS : The correct way of binding to a service properties
...N4bqA3h9Yio
<body ng-app="ServiceNotification">
<div style="border-style:dotted" ng-controller="TimerCtrl1">
TimerCtrl1<br/>
Bad:<br/>
Last Updated: {{lastUpdated}}<br/>
Last Updated: {{calls}}<br/>
Good:<br/>
...
Why can't the C# constructor infer type?
...ve the same name but different generic arity is the better constructor. In order to maintain backwards compatibility a ctor on a non-generic type must always win.
Is there a practical reason why the constructor can't support type inference?
Yes. Even if the benefit of the feature outweighs its...
How do I add a class to a given element?
...h is that some other developer might not know it's vital, and remove it in order to clean things up.
– akauppi
Aug 3 '16 at 8:23
|
show 5 mo...
Get position/offset of element relative to a parent container?
...ffsetLeft, elm.offsetTop);
p { position:relative; left:10px; top:85px; border:1px solid blue; }
span{ position:relative; left:30px; top:35px; border:1px solid red; }
<p>
<span>paragraph</span>
</p>
...
When would anyone use a union? Is it a remnant from the C-only days?
...
enum BeesTypes { TYPE_B1, ..., TYPE_BN };
class A
{
private:
std::unordered_map<int, Bee> data; // C++11, otherwise use std::map
public:
Bee get(int); // the implementation is obvious: get from the unordered map
};
Then, to get the content of a union instance from data, you use a...
Starting iPhone app development in Linux? [closed]
... which you can write programs and run them on a software simulator. But in order to actually release software you've written, you must enroll in the iPhone Developer Program -- a step separate from downloading the SDK, and one that requires Apple's approval.
I think it's rather elitist for them to ...
When to use IComparable Vs. IComparer
... can even return a bool, since less than is the only operation you need in order to sort a sequence.
– jalf
Feb 11 '09 at 20:56
...
How to bring view in front of everything?
...atch_parent). The first RelativeLayout has a Button, and is also behind (z-order-wise) the second RelativeLayout. Can I make the Button in the first RelativeLayout to appear as if it were on top of everything, such that it's visible and clickable, using View::bringToFront()?
– ...
How to determine SSL cert expiration date from a PEM encoded certificate?
...
Here's my bash command line to list multiple certificates in order of their expiration, most recently expiring first.
for pem in /etc/ssl/certs/*.pem; do
printf '%s: %s\n' \
"$(date --date="$(openssl x509 -enddate -noout -in "$pem"|cut -d= -f 2)" --iso-8601)" \
"$pem"
...
