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Read properties file outside JAR file
...her than as a resource of the main/runnable jar. In that case, my own solution is as follows:
First thing first: your program file architecture shall be like this (assuming your main program is main.jar and its main properties file is main.properties):
./ - the root of your program
|__ main.jar
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Convert NSArray to NSString in Objective-C
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NSString * result = [[array valueForKey:@"description"] componentsJoinedByString:@""];
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How can I redirect the output of the “time” command?
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If you don't want to mix output from time and the command.
With GNU time, you can use -o file like:
/usr/bin/time -o tim grep -e k /tmp 1>out 2>err
while tim is output of time, out and err are stdout and stderr from grep.
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Format Float to n decimal places
..., half-even rounding is going to be chaotic and unpredictable any time you mix binary-based floating-point values with base-10 arithmetic. I'm pretty sure it cannot be done. The basic problem is that a value like 1.105 cannot be represented exactly in floating point. The floating point value is goin...
jQuery get value of select onChange
...tion() {
// $(this).val() will work here
});
if you use onselect and mix markup with script you need to pass a reference to the current element:
onselect="foo(this);"
and then:
function foo(element) {
// $(element).val() will give you what you are looking for
}
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Cannot set boolean values in LocalStorage?
... @Kenny: whoops facepalm, thanks for the correction :-) I was mixed up because of how booleans cast to strings.
– Andy E
Jul 16 '10 at 8:51
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How do I animate constraint changes?
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Two important notes:
You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed
You need to call it specifically on the parent view (e.g. self.view), not th...
Error to run Android Studio
...t (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)
Check what compiler is used
javac -version
It should show something like this
javac 1.8.0_91
Finally, add JAVA_HOME to the environment variable
Edit /etc/environment and add JAVA_HOME=/usr/lib/jvm/java-8-...
How to get temporary folder for current user
Currently I am using following function to get the temporary folder path for current user:
4 Answers
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How to list all the available keyspaces in Cassandra?
...ce name). NOTE: If one is using "cqlsh", it requires quotes around any mixed or upper case names in a keyspace or columnfamily (OK, the poster didn't ask this but it's a common user error if new to C*)
– Scott Prive
Feb 3 '15 at 1:35
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