大约有 15,475 项符合查询结果（耗时：0.0248秒） [XML]
How to detect idle time in JavaScript elegantly?
...; set that flag = true only on the events. Then in the resetTimer function test if the notidle flag is true, if it is reset the timer their, or call logout. This will remove the complexity overhead of constantly resetting the timer.
– MartinWebb
Nov 26 '16 at 1...
Given a view, how do I get its viewController?
...
@andrey answer in one line (tested in Swift 4.1):
extension UIResponder {
public var parentViewController: UIViewController? {
return next as? UIViewController ?? next?.parentViewController
}
}
usage:
let vc: UIViewController = view...
How do I view the SQL generated by the Entity Framework?
...h the intention of it only running in development. When we deployed to our testing environment, we started to abruptly see memory leaks in the IIS Worker Process. After memory profiling, we realized even explicit GC wasn't collecting the entity context objects anymore (yes, they were in using statem...
Bash array with spaces in elements
...ILES[0]}
echo ${FILES[1]}
echo ${FILES[2]}
echo ${FILES[3]}
Output:
$ ./test.sh
2011-09-04 21.43.02.jpg
2011-09-05 10.23.14.jpg
2011-09-09 12.31.16.jpg
2011-09-11 08.43.12.jpg
Quoting the strings also produces the same output.
...
Setting HTTP headers
...simple authentication.
Here is a corrected wrapper:
// Code has not been tested.
func addDefaultHeaders(fn http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if origin := r.Header.Get("Origin"); origin != "" {
w.Header().Set("Access-C...
Get OS-level system information
...nagement.OperatingSystemMXBean. This works on Windows and Linux, I haven't tested it elsewhere.
For example ... call the get getCpuUsage() method more frequently to get more accurate readings.
public class PerformanceMonitor {
private int availableProcessors = getOperatingSystemMXBean().getA...
Why would one use REST instead of SOAP based services? [closed]
...ntly. Some SOAP implementations can get finicky.
More human readable and testable (harder to test SOAP with just a browser).
Don't need to use XML (well you kind of don't have to for SOAP either but it hardly makes sense since you're already doing parsing of the envelope).
Libraries have made SO...
How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?
.../local/bin/sbt
Look at the contents:
$ cat /usr/local/bin/sbt
#!/bin/sh
test -f ~/.sbtconfig && . ~/.sbtconfig
exec java ${SBT_OPTS} -jar /usr/local/Cellar/sbt/0.12.1/libexec/sbt-launch.jar "$@"
Set the correct jvm options to prevent OOM (both regular and PermGen):
$ cat ~/.sbtconfig
SB...
About catching ANY exception
.../no-one-expects-string-literal-exception I'm with @Yoel on this one, your testing just masked the TypeError
– Duncan
Nov 14 '16 at 15:12
2
...
LEFT JOIN only first row
...en the MIN(artist_id) will be the earliest.
So try something like this (untested...)
SELECT *
FROM feeds f
LEFT JOIN artists a ON a.artist_id = (
SELECT
MIN(fa.artist_id) a_id
FROM feeds_artists fa
WHERE fa.feed_id = f.feed_id
) a
...