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Cannot create an array of LinkedLists in Java…?
...nto it. ArrayList will index faster, but Fredrik's solution is better overall.
– Steve Zobell
Mar 9 '17 at 20:08
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Is it better to call ToList() or ToArray() in LINQ queries?
...the case where I want to eval a query right where I declare it. This is usually because I need to iterate over it multiple times and it is expensive to compute. For example:
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Github: error cloning my private repository
...w64-i686-ca-certificates ca-certificates
64 bits
pacman -S mingw-w64-x86_64-ca-certificates ca-certificates
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How to use QueryPerformanceCounter?
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#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryP...
What's the difference between a catalog and a schema in a relational database?
...l point of view :
The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept.
In other words, the catalog contains detailed information (sometimes...
How to enter in a Docker container already running with a new TTY
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With docker 1.3, there is a new command docker exec. This allows you to enter a running container:
docker exec -it [container-id] bash
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Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
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Thanks for the tip! This worked great with one small problem. Refreshing the page, would not take it to the correct tab. Hitting Ctrl+F5 would. I modified the code to the following: ` $(document).ready(function(){ function getUrlVars() { var vars = {}; ...
How do I use JDK 7 on Mac OSX?
...t to the
default 1.6.0 one
In Eclipse > Preferences > Java > Installed JREs you add a new one, of type MacOS X VM, and set the home as /Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home and
name Java SE 7 (OpenJDK)
Click Finish
Set the added JRE as default
that should be it :)
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Encoding as Base64 in Java
... Base64.getEncoder().encodeToString(string.getBytes(StandardCharsets.UTF_8))
Here is a short, self-contained complete example:
import java.nio.charset.StandardCharsets;
import java.util.Base64;
public class Temp {
public static void main(String... args) throws Exception {
final Str...
Handling very large numbers in Python
... occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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