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How do I get the name of the active user via the command line in OS X?
...if you are ssh'ed into a machine and want to see if a user is logged on locally. If they are not, the command will return "root".
– Tim Dearborn
Jan 15 '16 at 1:17
add a comme...
Check if table exists without using “select from”
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@Filype this is not really an issue, as he is only checking if the query succeeded or not. In the case where the table has no rows, the query will still succeed, just with an empty result set.
– Bill Dami
Aug...
How to add -Xlint:unchecked to my Android Gradle based project?
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This is what worked for me:
(in your project's build.gradle)
allprojects {
gradle.projectsEvaluated {
tasks.withType(JavaCompile) {
options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
}
}
}
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Python String and Integer concatenation [duplicate]
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Backticks are all sorts of silly.
– habnabit
May 17 '10 at 8:58
3
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How to Get True Size of MySQL Database?
...ld the table from scratch. When databases store information on disks, they allocate it in blocks; deleting a record often frees a block between used blocks, and it's very expensive to shift all of the other blocks around to use that space up so it is marked as "free". The space may be used later by ...
Kotlin: how to pass a function as parameter to another?
...Since Kotlin 1.1 you can now use functions that are class members ("Bound Callable References"), by prefixing the function reference operator with the instance:
foo("hi", OtherClass()::buz)
foo("hi", thatOtherThing::buz)
foo("hi", this::buz)
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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
I am having a problem installing installing the canvas module in node..It seems to be something with cairo I am getting this error...
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Is there an interpreter for C? [closed]
...n that interpreter. (I'm not sure interpreter the right word). This is really helpful for testing different things out and I'm curious if something similar exists for C. Though I doubt it. The only thing I can think of that would do it would be the C shell...
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Command not found error in Bash variable assignment
I have this script called test.sh:
5 Answers
5
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How to convert a char array back to a string?
...ver, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them back is not required in normal code.
Compare this to C/C++ where "foo" you have a bundle of chars terminat...