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When is TCP option SO_LINGER (0) required?
...nd it grows, then we can make it work by tuning twe linger. You change one param, and you suddenly have working application, without investing a budget to implement new architecture.
– bartosz.r
Oct 29 '12 at 11:09
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How can I specify the base for Math.log() in JavaScript?
I need a log function for JavaScript, but it needs to be base 10. I can't see any listing for this, so I'm assuming it's not possible. Are there any math wizards out there who know a solution for this?
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How to resize the iPhone/iPad Simulator?
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zoom options are greyed out... stackoverflow.com/questions/5142132/…
– Konstantin Salavatov
Jun 8 '11 at 15:48
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Simple argparse example wanted: 1 argument, 3 results
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Matt is asking about positional parameters in argparse, and I agree that the Python documentation is lacking on this aspect. There's not a single, complete example in the ~20 odd pages that shows both parsing and using positional parameters.
None of the o...
Getting request payload from POST request in Java servlet
.... In chrome Developer Tools, all the content is in the Request Payload section in the headers tab, and the content is there, and I know that the POST is being received by the doPost method, but it just comes up blank.
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In Typescript, How to check if a string is Numeric
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As mentioned in the original question, parseInt('9BX9') (and parseFloat('9BX9')) will return 9, not NaN. If you don’t want the conversion of an empty string to 0, check explicitly for empty string first.
– C ...
Check whether a path is valid
... the validity of the path - So if a file could possibly exists at the location) .
12 Answers
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Check if a path represents a file or a folder
... // Check if it's a regular file
See File Javadoc
Or you can use the NIO class Files and check things like this:
Path file = new File(path).toPath();
boolean exists = Files.exists(file); // Check if the file exists
boolean isDirectory = Files.isDirectory(file); // Check if it's ...
`require': no such file to load — mkmf (LoadError)
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After some search for a solution it turns out the -dev package is needed, not just ruby1.8. So if you have ruby1.9.1 doing
sudo apt-get install ruby1.9.1-dev
or to install generic ruby version, use (as per @lamplightdev comment):
sudo apt-get install...
Open Redis port for remote connections
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Did you set the bind option to allow remote access on the redis server?
Before (file /etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you migh...