大约有 18,500 项符合查询结果（耗时：0.0292秒） [XML]
How to convert int to NSString?
...iption will print the date, but stringValue will crash): NSNumber *test = (id)[NSDate date]; NSLog(@"description: %@", test.description); NSLog(@"string value: %@", test.stringValue);
– Islam Q.
Aug 5 '16 at 6:31
...
Changing cursor to waiting in javascript/jquery
... Other elements on the page (i.e. Bootstrap buttons) which override the cursor to a non-default display will block this approach while the cursor is still over the element. In those cases, I found it preferable to use !important with @hrabinowitz's solution below
– A...
MySQL Removing Some Foreign keys
...query would do it:
ALTER TABLE assignmentStuff DROP FOREIGN KEY assignmentIDX;
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How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?
... out the right answer to this question today.
<plugin>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-codegen-plugin</artifactId>
<version>${cxf.version}</version>
<executions>
<execution>
<id>generat...
How do I append one string to another in Python?
...sed to be O(n^2), but now it is O(n).
From the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_Concat(pv, w);
Py_XDECREF(w);
}
/* The following function breaks the notion that strings are immutable:
it changes the size of a str...
'printf' vs. 'cout' in C++
...cription is placeholder, the code would look like this. Both examples work identically (well, sort of, std::endl actually flushes the buffer).
printf("Error %d: %s.\n", id, errors[id]);
std::cout << "Error " << id << ": " << errors[id] << "." << std::endl;
Whil...
How to implement the Java comparable interface?
... implement the compareTo(Animal other) method that way you like it.
@Override
public int compareTo(Animal other) {
return Integer.compare(this.year_discovered, other.year_discovered);
}
Using this implementation of compareTo, animals with a higher year_discovered will get ordered higher. I ho...
Scheduling recurring task in Android
...timer.scheduleAtFixedRate(new TimerTask() {
synchronized public void run() {
\\ here your todo;
}
}}, TimeUnit.MINUTES.toMillis(1), TimeUnit.MINUTES.toMillis(1));
Timer has some drawbacks that are solved by ScheduledThreadPoolExecutor. So it's not the best...
How does “304 Not Modified” work exactly?
... @VenomVendor: ETag is just a field where the server can store a unique ID (typically a hash or version number or vector clock). It doesn't help you calculate that ID at all; that's up to your server-side code.
– SLaks
Jan 7 '14 at 18:24
...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...y how to select multiple columns from a subquery:
SELECT
A.SalesOrderID,
A.OrderDate,
SQ.Max_Foo,
SQ.Max_Foo2
FROM
A
LEFT OUTER JOIN
(
SELECT
B.SalesOrderID,
MAX(B.Foo) AS Max_Foo,
MAX(B.Foo2) AS Max_Foo2
FROM
B
GR...