大约有 43,000 项符合查询结果（耗时：0.0511秒） [XML]
Detect if Android device has Internet connection
...
The best way to check if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
try {
HttpURLConnection urlc = (HttpURLConnection) (new...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...y what Write-Host is doing behind the scenes.
Run this demonstration code and examine the result.
function Test-Output {
Write-Output "Hello World"
}
function Test-Output2 {
Write-Host "Hello World" -foreground Green
}
function Receive-Output {
process { Write-Host $_ -foreground Ye...
Is there a concise way to iterate over a stream with indices in Java 8?
...
.filter(n -> n.length() <= index.incrementAndGet())
.collect(Collectors.toList());
Note that using the latter method on a parallel stream could break as the items would not necesarily be processed "in order".
...
Accidentally committed .idea directory files into git
... filesystem
Send the change to others
Third, commit the .gitignore file and the removal of .idea from the repository. After that push it to the remote(s).
Summary
The full process would look like this:
$ echo '.idea' >> .gitignore
$ git rm -r --cached .idea
$ git add .gitignore
$ git com...
How do I generate a stream from a string?
...not being disposed. StreamWriter is just a wrapper around the base stream, and doesn't use any resources that need to be disposed. The Dispose method will close the underlying Stream that StreamWriter is writing to. In this case that is the MemoryStream we want to return.
In .NET 4.5 there is now a...
Should bower_components be gitignored?
Would it be good practice to keep only the bower.json file and gitignore the whole bower_components directory?
6 Answer...
How to use a wildcard in the classpath to add multiple jars? [duplicate]
...es in the directory named foo. A classpath entry consisting simply of * expands to a list of all the jar files in the current directory.
This should work in Java6, not sure about Java5
(If it seems it does not work as expected, try putting quotes. eg: "foo/*")
...
How can I get a list of all classes within current module in Python?
...ules[__name__]):
if inspect.isclass(obj):
print(obj)
And even better:
clsmembers = inspect.getmembers(sys.modules[__name__], inspect.isclass)
Because inspect.getmembers() takes a predicate.
share
...
String comparison using '==' vs. 'strcmp()'
...rns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.
=== only returns true or false, it doesn't tell you which is the "greater" string.
share
|
impro...
How do I revert an SVN commit?
...erge -c -REV . undo single revision
in this syntax - if current dir is WC and (as in must done after every merge) you'll commit results
Do you want to see logs?
share
|
improve this answer
...