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Detect if Android device has Internet connection
...onseCode() == 200);
} catch (IOException e) {
Log.e(LOG_TAG, "Error checking internet connection", e);
}
} else {
Log.d(LOG_TAG, "No network available!");
}
return false;
}
Of course you can substitute the http://www.google.com URL for any other serv...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...a_home)
I haven't experienced any problems with that technique.
Occasionally I do have to change the value of JAVA_HOME to an earlier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running:
export JAVA_HOM...
How to remove the left part of a string?
...
But also throws if your input isn't all in the form "something=somethingelse".
– Dan Olson
Mar 1 '09 at 22:17
1
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How is Racket different from Scheme?
...and not R6RS and not a strict superset of either. I don't think it can be called 'Scheme' because it's not backwards compatible with any Scheme standard.
Most implementations offer extensions, but are otherwise backwards compatible, of course, the compiler that comes with Racket can also run in R5R...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...o, node_redis and last but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bas...
How to determine if an NSDate is today?
...ethod anyway.
NOTE as with many answers on SO, after 7 years this is totally out of date. In Swift now just use .isDateInToday
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How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
...
You can have the script call itself with psexec's -h option to run elevated.
I'm not sure how you would detect if it's already running as elevated or not... maybe re-try with elevated perms only if there's an Access Denied error?
Or, you could simp...
Find out if string ends with another string in C++
...
Use this function:
inline bool ends_with(std::string const & value, std::string const & ending)
{
if (ending.size() > value.size()) return false;
return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
}
...
Advantages of std::for_each over for loop
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The nice thing with C++11 (previously called C++0x), is that this tiresome debate will be settled.
I mean, no one in their right mind, who wants to iterate over a whole collection, will still use this
for(auto it = collection.begin(); it != collection.end() ; ++...
How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
...ted by Java out of the box. I know to get this to function correctly I install the JCE unlimited strength jars in the security folder. This is fine for me being the developer, I can install them.
...