大约有 47,000 项符合查询结果（耗时：0.0898秒） [XML]
jQuery remove options from select
...t option[value="X"]').remove();
Main point is that find takes a selector string, by feeding it x you are looking for elements named x.
share
|
improve this answer
|
follow
...
No appenders could be found for logger(log4j)?
...
Quick solution:
add code to main function:
String log4jConfPath = "/path/to/log4j.properties";
PropertyConfigurator.configure(log4jConfPath);
create a file named log4j.properties at /path/to
log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.Consol...
In-place edits with sed on OS X
...
You can use:
sed -i -e 's/<string-to-find>/<string-to-replace>/' <your-file-path>
Example:
sed -i -e 's/Hello/Bye/' file.txt
This works flawless in Mac.
sha...
iPhone OS: How do I create an NSDate for a specific date?
...
You can use this
NSString *dateString = @"03-Sep-11";
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"dd-MMM-yy";
NSDate *date = [dateFormatter dateFromString:dateString];
Hope this will help you ...
How should strace be used?
...ng the output to a file and then grepping that file for your path/file/env string may help you see what your program is actually attempting to do, as distinct from what you expected it to.
share
|
i...
Android map v2 zoom to show all the markers
...le marker points with drawable icon
private void drawMarker(LatLng point, String text) {
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(point).title(text).icon(BitmapDescriptorFactory.fromResource(R.drawable.icon));
mMap.addMarker(markerOptions);
...
Is there a way to dump a stack trace without throwing an exception in java?
...
Thread.currentThread().getStackTrace()
To find the caller, do:
private String getCallingMethodName() {
StackTraceElement callingFrame = Thread.currentThread().getStackTrace()[4];
return callingFrame.getMethodName();
}
And call that method from within the method that needs to know who i...
How do I choose between Semaphore and SemaphoreSlim?
...uld be used when "wait times are expected to be very short". That would usually dovetail nicely with the idea that the slim version is more lightweight for most of the trade offs.
share
|
improve th...
grep, but only certain file extensions
....c" | xargs grep -i "my great text"
-i is for case insensitive search of string
share
|
improve this answer
|
follow
|
...
Set Colorbar Range in matplotlib
... plt.title(title)
plt.colorbar()
plt.figure()
do_plot(1, lambda x:x, "all")
do_plot(2, lambda x:np.clip(x, -4, 0), "<0")
do_plot(3, lambda x:np.clip(x, 0, 4), ">0")
plt.show()
share
|
im...