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What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
6 Answers
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How do I check if a string is valid JSON in Python?
... can do something else with it. So far, I've only gotten the error message and type.
– Joey Blake
Apr 1 '11 at 12:36
2
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Using comparison operators in Scala's pattern matching system
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You can add a guard, i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than...
Bash if statement with multiple conditions throws an error
I'm trying to write a script that will check two error flags, and in case one flag (or both) are changed it'll echo-- error happened. My script:
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Getting the client's timezone offset in JavaScript
...t);
The time-zone offset is the difference, in minutes, between UTC and local time. Note that this means that the offset is positive if the local timezone is behind UTC and negative if it is ahead. For example, if your time zone is UTC+10 (Australian Eastern Standard Time), -600 will be retu...
What is the purpose of setting a key in data.table?
I am using data.table and there are many functions which require me to set a key (e.g. X[Y] ). As such, I wish to understand what a key does in order to properly set keys in my data tables.
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What is content-type and datatype in an AJAX request?
What is content-type and datatype in a POST request? Suppose I have this:
3 Answers
3
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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
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Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most efficient solution is to access the buf.buffer property directly, as per https://stackoverflow.com/a/31394257/1375574. The Buffer constructor also takes an ArrayBufferView argument if you need to ...
How do I verify that an Android apk is signed with a release certificate?
How can I check that an Android apk is signed with a release and not debug cert?
5 Answers
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Small Haskell program compiled with GHC into huge binary
...ripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21f418000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fb21f0d9000)
libGLU.so.1 => /usr/lib/libGLU.so.1 (0x00007fb21ee6d000)
libGL.so.1 => /usr/lib/libGL....