大约有 41,000 项符合查询结果(耗时:0.0527秒) [XML]
Check if Internet Connection Exists with Javascript? [duplicate]
...e from your network, you could do this:
function hostReachable() {
// Handle IE and more capable browsers
var xhr = new ( window.ActiveXObject || XMLHttpRequest )( "Microsoft.XMLHTTP" );
// Open new request as a HEAD to the root hostname with a random param to bust the cache
xhr.open( "HE...
C++ : why bool is 8 bits long?
...
Yes, it's a hardware choice, and if the hardware allows for it, the size of a bool could change. But the OP asked why a bool is 8 bits wide, and on systems where that is the case, it is generally because the CPU is only able to address 8-bit bytes.
...
C++ semantics of `static const` vs `const`
...le scope, no difference in C++. const makes internal linkage the default, and all global variables have static lifetime. But the first variant has the same behavior in C, so that may be a good reason to use it.
Within a function, the second version can be computed from parameters. In C or C++ it ...
Eclipse count lines of code
I've tried the Metrics plugin and although it's nice and all, it's not what my boss is looking for. It counts a line with just one } as a line and he doesn't want that to count as "its not a line, its a style choice". I also need to generate some form of report about the metrics provided. Are th...
How to check internet access on Android? InetAddress never times out
...
- can't run on the UI thread
This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask).
Possible Questions
Is it really fast enough?
Yes, very fast ;-)
Is there no reliable way to check internet, other t...
Capture screenshot of active window?
I am making a screen capturing application and everything is going fine. All I need to do is capture the active window and take a screenshot of this active window. Does anyone know how I can do this?
...
Match multiple cases classes in scala
I'm doing matching against some case classes and would like to handle two of the cases in the same way. Something like this:
...
What does the “assert” keyword do? [duplicate]
...ed, execution of the assertion causes evaluation of the boolean expression and an error is reported if the expression evaluates to false. If the assertion is disabled, execution of the assertion has no effect whatsoever.
Where "enabled or disabled" is controlled with the -ea switch and "An error i...
How can I make git accept a self signed certificate?
...ion to the question.
To disable TLS/SSL verification for a single git command
try passing -c to git with the proper config variable, or use Flow's answer:
git -c http.sslVerify=false clone https://example.com/path/to/git
To disable SSL verification for a specific repository
If the repository i...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
... Thanks. But in this case, the model is set in the controller. And in the Angular docs, it's always the same, data is set in controller. But my controller is in a JS file. How to do when on an "edit" form ? How to pass default form data to controller "the angular way"?
...
