大约有 16,000 项符合查询结果(耗时:0.0347秒) [XML]
Quick way to create a list of values in C#?
... array = new string[] { "foo", "bar" };
Queue
var queque = new Queue<int>(new[] { 1, 2, 3 });
Stack
var queque = new Stack<int>(new[] { 1, 2, 3 });
As you can see for the majority of cases it is merely adding the values in curly braces, or instantiating a new array followed by cu...
Turn a simple socket into an SSL socket
...lk of the functionality. You may want to add a while loop on connections.
int sockfd, newsockfd;
SSL_CTX *sslctx;
SSL *cSSL;
InitializeSSL();
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd< 0)
{
//Log and Error
return;
}
struct sockaddr_in saiServerAddress;
bzero((char *) &sai...
How to add a custom button state
...er(context, attrs);
}
On top of the derived class:
private static final int[] STATE_FRIED = {R.attr.state_fried};
private static final int[] STATE_BAKED = {R.attr.state_baked};
Also, your state variables:
private boolean mIsFried = false;
private boolean mIsBaked = false;
And a couple of set...
How to nicely format floating numbers to String without unnecessary decimal 0?
An 64-bit double can represent integer +/- 2 53 exactly
26 Answers
26
...
What is a Manifest in Scala and when do you need it?
...ime can easily represent. A Manifest is a way for the compiler to send an inter-dimensional message to the code at runtime about the type information that was lost.
This is similar to how the Kleptonians have left encoded messages in fossil records and the "junk" DNA of humans. Due to limitations...
How to do a FULL OUTER JOIN in MySQL?
... syntax. According to MySql's outer join simplification, the right join is converted to the equivalent left join by switching the t1 and t2 in the FROM and ON clause in the query. Thus, the MySql Query Optimizer translates the original query into the following -
SELECT * FROM t1
LEFT JOIN t2 ON t1...
Sending POST data in Android
...onnect();
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
References:
https://developer.android.com/reference/java/net/HttpURLConnection.html
How to add parameters to HttpURLConnection using POST using NameValuePair
Older A...
Is it worth using Python's re.compile?
...er a quick glance at the actual Python 2.5 library code, I see that Python internally compiles AND CACHES regexes whenever you use them anyway (including calls to re.match()), so you're really only changing WHEN the regex gets compiled, and shouldn't be saving much time at all - only the time it tak...
Why should I use a pointer rather than the object itself?
...jects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration:
...
Difference between EXISTS and IN in SQL?
...
The exists keyword can be used in that way, but really it's intended as a way to avoid counting:
--this statement needs to check the entire table
select count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] where ... ...
