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Test if remote TCP port is open from a shell script
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As pointed by B. Rhodes, nc (netcat) will do the job. A more compact way to use it:
nc -z <host> <port>
That way nc will only check if the port is open, exiting with 0 on success, 1 on failure.
For a quick interactive check (with a 5 seconds timeout):
nc -z -v -w5 &lt...
How to change progress bar's progress color in Android
... where should I place the it in the project's folder and is there anything more I need to do for creating a progress bar based on the XML settings ? Thanks.
– WhiteTigerK
Jan 7 '10 at 15:33
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TypeScript or JavaScript type casting
...ull picture of type assertion in typescript, whereas Alex's answer gives a more complete picture, and should be the accepted answer.
– Kristoffer Dorph
Jan 5 '17 at 9:20
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How to determine equality for two JavaScript objects?
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523
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PostgreSQL - max number of parameters in “IN” clause?
... handled as separate
* boolean conditions, because that gives the planner more scope for
* optimization on such clauses.
*
* First step: transform all the inputs, and detect whether any are
* RowExprs or contain Vars.
*/
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What's the -practical- difference between a Bare and non-Bare repository?
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63
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Using Java to find substring of a bigger string using Regular Expression
...kets in the first group. Have a look at the Pattern API Documentation for more information.
To extract the string, you could use something like the following:
Matcher m = MY_PATTERN.matcher("FOO[BAR]");
while (m.find()) {
String s = m.group(1);
// s now contains "BAR"
}
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Error when changing to master branch: my local changes would be overwritten by checkout
This question is similar to this one, but more specific.
7 Answers
7
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Java: How to test methods that call System.exit()?
... pretty cool--I hadn't messed with security managers and assumed they were more complicated than that. However, how do you test the security manager/testing mechanism.
– Bill K
Nov 21 '08 at 17:25
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Is there a way to squash a number of commits non-interactively?
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