大约有 44,000 项符合查询结果（耗时：0.0235秒） [XML]
How to use SCNetworkReachability in Swift
...address", or use SCNetworkReachabilityCreateWithName() with a host name as string. But note that SCNetworkReachability only checks that a packet sent to that address can leave the local device. It does not guarantee that the data packet will actually be received by the host.
– ...
Recursively add the entire folder to a repository
I am trying to add a branch to the master branch on GitHub and push a folder onto that branch.
15 Answers
...
How to pass an object from one activity to another on Android
...ublic class Deneme implements Serializable {
public Deneme(double id, String name) {
this.id = id;
this.name = name;
}
public double getId() {
return id;
}
public void setId(double id) {
this.id = id;
}
public String getName() {
...
Python: Ignore 'Incorrect padding' error when base64 decoding
...64, padding being optional.
:param data: Base64 data as an ASCII byte string
:returns: The decoded byte string.
"""
data = re.sub(rb'[^a-zA-Z0-9%s]+' % altchars, b'', data) # normalize
missing_padding = len(data) % 4
if missing_padding:
data += b'='* (4 - missing_p...
How do you convert a JavaScript date to UTC?
...
The toISOString() method returns a string in simplified extended ISO
format (ISO 8601), which is always 24 or 27 characters long
(YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ,
respectively). The timezone is always ze...
Eliminate extra separators below UITableView
When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below the filled rows.
...
How to get base url with jquery or javascript?
...nswer by @Artjom B. For example, when a site is tested over local network (and domain is substituted with IP + local path) the base url could be something like 192.168.0.23/~sites/site/html/ instead of site.dev. Getting the full pathname with Javascript is not an option too, because a site can have ...
Determine if string is in list in JavaScript
In SQL we can see if a string is in a list like so:
14 Answers
14
...
Programmer Puzzle: Encoding a chess board state throughout a game
...e {
private final Node left;
private final Node right;
private final String label;
private final int weight;
private Node(String label, int weight) {
this.left = null;
this.right = null;
this.label = label;
this.weight = weight;
}
public Node(Node left, Node right) {
...
Difference between is and as keyword
... if an object can be cast to a specific type.
Example:
if (someObject is StringBuilder) ...
as
The as operator attempts to cast an object to a specific type, and returns null if it fails.
Example:
StringBuilder b = someObject as StringBuilder;
if (b != null) ...
Also related:
Casting
...