大约有 16,000 项符合查询结果（耗时：0.0257秒） [XML]
What to gitignore from the .idea folder?
I started using WebStorm for web development and am not sure what to add and what to exclude from our Git repository. Clearly some files inside the .idea folder are meant to be version controlled like the external library settings ( jsLibraryMappings.xml ) but others will probably change very ofte...
How to return a result (startActivityForResult) from a TabHost Activity?
... look at the Activity class, you will see, that finish() method only sends back the result if there is a mParent property set to null. Otherwise the result is lost.
public void finish() {
if (mParent == null) {
int resultCode;
Intent resultData;
synchronized (this) {
...
How can I escape a double quote inside double quotes?
How can I escape double quotes inside a double string in Bash?
8 Answers
8
...
Does anyone still use [goto] in C# and if so why? [closed]
...ng whether anyone still uses the "goto" keyword syntax in C# and what possible reasons there are for doing so.
8 Answers
...
Better explanation of when to use Imports/Depends
...
"Imports" is safer than "Depends" (and also makes a package using it a 'better citizen' with respect to other packages that do use "Depends").
A "Depends" directive attempts to ensure that a function from another package is available by attaching the other package to the main search path (i.e. t...
When to use Comparable and Comparator
I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works.
...
Rotating a point about another point (2D)
...
First subtract the pivot point (cx,cy), then rotate it, then add the point again.
Untested:
POINT rotate_point(float cx,float cy,float angle,POINT p)
{
float s = sin(angle);
float c = cos(angle);
// translate point back to o...
Can I catch multiple Java exceptions in the same catch clause?
...
This has been possible since Java 7. The syntax for a multi-catch block is:
try {
...
} catch (IOException | SQLException ex) {
...
}
Remember, though, that if all the exceptions belong to the same class hierarchy, you can si...
Hashing a dictionary?
...ring or representation of the dictionary.
UPDATE: Please see the comments below, why this approach might not produce a stable result.
share
|
improve this answer
|
follow
...
Comment out text in R Markdown (Rmd file)
...rkdown ( .Rmd ) file, how do you comment out unused text? I'm not referring to the text in the R code chunk, but the general texts, like % in LaTex for example.
...