大约有 4,527 项符合查询结果（耗时：0.0228秒） [XML]
Can a local variable's memory be accessed outside its scope?
...n and replaced with a football stadium, and you are going to die in an explosion while you are sneaking around.
You don't know what is going to happen; when you checked out of the hotel and stole a key to illegally use later, you gave up the right to live in a predictable, safe world because you c...
How to check if Location Services are enabled?
I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not.
22 Answers
...
What is the simplest and most robust way to get the user's current location on Android?
...ast known values.
I grab last known values from available providers and choose the most recent of them.
Here's how I use my class:
LocationResult locationResult = new LocationResult(){
@Override
public void gotLocation(Location location){
//Got the location!
}
};
MyLocation my...
How big can a MySQL database get before performance starts to degrade
At what point does a MySQL database start to lose performance?
15 Answers
15
...
Does the default constructor initialize built-in types?
...
For all practical purposes - no.
However for implementations that are technically compliant with the C++ standard, the answer is that it depends whether the object is POD or not and on how you initialize it.
According to the C++ standard:
MyNo...
Chrome browser reload options new feature
...
I couldn't get this to work on OS X using Chrome 23.0.1271.95. Is it a Windows only feature?
– Laurent
Dec 10 '12 at 4:14
6
...
sed edit file in place
I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and then renaming the new file to the original file name. I tried the -i option but my Solaris system said that -i is an illegal option. Is there a d...
Convert PDF to image with high resolution
...
It appears that the following works:
convert \
-verbose \
-density 150 \
-trim \
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original comma...
Android studio using > 100% CPU at all times - no background processes appear to be running
...s helped on Windows - though I just tested it briefly, so I can't say I'm positive it will work in the long-run, and it also seems strange that without "Power Save" the IDE would take over the entire CPU...
– Matt
Jan 29 '14 at 19:04
...
Where is my .vimrc file?
...
You need to create it. In most installations I've used it hasn't been created by default.
You usually create it as ~/.vimrc.
share
|
improve this an...