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Determine if a sequence contains all elements of another sequence using Linq [duplicate]
...nt> hashSet = new HashSet<int>(superset);
bool contained = subset.All(i => hashSet.Contains(i));
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...evelopers inevitably leads to some using the return value of the function called like this:
function doSomething() {
//Some code
return false;
}
But then they forget to use return doSomething() in the onclick and just use doSomething().
A second reason for avoiding # is that the final re...
What's the difference between io.sockets.emit and broadcast?
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io.sockets.emit will send to all the clients
socket.broadcast.emit will send the message to all the other clients except the newly created connection
This Socket.IO Wiki post will help everyone reading this question:
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Strings in a DataFrame, but dtype is object
...mly requested element. The key to overcoming this is to use pointers. Basically, store each string in some random memory location, and fill the array with the memory address of each string. (Memory addresses are just integers.) So now, things look like this
Now, if you ask your computer to fetch th...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
... edited Feb 22 at 17:13
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Oct 24 '13 at 15:31
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How can I suppress all output from a command using Bash?
...ant error messages to be sent there, use one of (the first may not work in all shells):
scriptname &>/dev/null
scriptname >/dev/null 2>&1
scriptname >/dev/null 2>/dev/null
And, if you want to record the messages, but not see them, replace /dev/null with an actual file, such...
Simple way to calculate median with MySQL
...ime finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but surely there must be some simple way of doing it in a single MySQL query.
...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
How do I install GCC (the GNU Compiler Collection) piece by piece, using the current version,
using the correct versions of dependencies, not using a package manager (like yum, rpm, apt, dpkg), and not using shared libraries?
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static allocation in java - heap, stack and permanent generation
I have been lately reading a lot on memory allocation schemes in java, and there have been many doubts as I have been reading from various sources. I have collected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM spec...
Tool for adding license headers to source files? [closed]
...tures:
handles UTF headers (important for most IDEs)
recursively updates all files in target directory passing given mask (modify the .endswith parameter for the filemask of your language (.c, .java, ..etc)
ability to overwrite previous copyright text (provide old copyright parameter to do this)
o...