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PHP Session Security
...as to change during the session use, it would be extremely suspicious and most likely an attack. I never said you can use it alone. If you combine it with the other techniques you have a much more secure site.
– grom
Apr 27 '10 at 23:42
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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
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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
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Does the default constructor initialize built-in types?
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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
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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
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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...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ttp verb (GET, POST, PUT, DELETE)的CRUD (create, retrieve, update, delete)操作
通过不同的http动作表达不同的含义，这样就不需要暴露多个API来支持这些基本操作。
2. 请求的回复通过Http Status Code表达不同含义，并且客户端可以通过Accept head...
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...
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
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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...