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Test if a variable is set in bash when using “set -o nounset”
...sh
$ /bin/bash --version | head -1
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not...
Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
...tCompression("on");
httpProtocol.setCompressionMinSize(64);
}
});
}
};
}
See the Tomcat documentation for more details on the various compression configuration options that are available.
You say that you want to selectively enable compr...
How to create multidimensional array
...uctures and Algorithms with JavaScript
The Good Parts (O’Reilly, p. 64). Crockford extends the JavaScript
array object with a function that sets the number of rows and columns
and sets each value to a value passed to the function. Here is his
definition:
Array.matrix = function(numrow...
How to convert Milliseconds to “X mins, x seconds” in Java?
...LISECONDS.toSeconds(millis);
StringBuilder sb = new StringBuilder(64);
sb.append(days);
sb.append(" Days ");
sb.append(hours);
sb.append(" Hours ");
sb.append(minutes);
sb.append(" Minutes ");
sb.append(seconds);
sb.append(" Se...
AutoMapper: “Ignore the rest”?
...
64
To anyone that comes later, THIS IS THE CORRECT ANSWER FOR 5.0
– Jimmy Bogard
Dec 5 '16 at 20:16
...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...
64
That's what happens when you use this from inside of an inner class. If you want to reference the instance of an outer class, you must spec...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...o apt-get install sysstat
Linux 3.0.0-13-generic (ws025) 02/10/2012 _x86_64_ (2 CPU)
03:33:26 PM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
03:33:26 PM all 2.39 0.04 0.19 0.34 0.00 0.01 0.00 0.00 97.03
Then some cutor grepto pars...
Circular gradient in android
...
</shape>
</item>
<color name="colorAccent_1">#6f64d6</color>
<color name="colorAccent_2">#7668F8</color>
<color name="colorAccent_3">#6F63FF</color>
share
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...
get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
...s taken from Google
NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0];
NSDate *thisWeek = [today dateByAddingTimeInterval: -604800.0];
NSDate *lastWeek = [today dateByAddingTimeInterval: -1209600.0];
// To get the correct number of seconds in each month use NSCalendar
NSDate *thisMon...
How do you read CSS rule values with JavaScript?
...
Note that this doesn't work since GC versio 64.0: stackoverflow.com/questions/48753691/…
– Shalev Levi
Feb 21 at 11:13
| ...