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How to test that no exception is thrown?
...mple code:
public class Printer {
public static void printLine(final String line) {
System.out.println(line);
}
}
What kind of assertion can be added to test this method?
Sure, you can make a try-catch around it, but that is only code bloat.
The solution comes from JUnit itself....
How do I create a file and write to it in Java?
...can use the Files class to write to files:
Creating a text file:
List<String> lines = Arrays.asList("The first line", "The second line");
Path file = Paths.get("the-file-name.txt");
Files.write(file, lines, StandardCharsets.UTF_8);
//Files.write(file, lines, StandardCharsets.UTF_8, StandardO...
How to have comments in IntelliSense for function in Visual Studio?
In Visual Studio and C#, when using a built in function such as ToString(), IntelliSense shows a yellow box explaining what it does.
...
Does C have a “foreach” loop construct?
... GNU C99.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#define FOREACH_COMP(INDEX, ARRAY, ARRAY_TYPE, SIZE) \
__extension__ \
({ \
bool ret = 0; \
if (__builtin_types_compatible_p (const char*, ARRAY_TYPE)) \
ret = INDEX ...
What's the difference between using INDEX vs KEY in MySQL?
...e and this was the first result. In my opinion there is no need to open an extra question. But feel free to do so if you want to.
– Stefan
Mar 25 at 16:00
...
Heap vs Binary Search Tree (BST)
...on. But if you want to do that, it is likely that you will want to keep an extra index up-to-date on heap operations How to implement O(logn) decrease-key operation for min-heap based Priority Queue? e.g. for Dijkstra. Possible at no extra time cost.
GCC C++ standard library insert benchmark on rea...
Declare and Initialize String Array in VBA
...
technically creates a variant array, not a string array. Of course the variant array might be an array of only strings, but this approach would also allow non-string data types: myArray = Array("A", "B", 12345, "D"...)
– David Zemens
...
How to profile methods in Scala?
... You can add a label to your prints with some currying: def time[R](label: String)(block: => R): R = { then add the label to the println
– Glenn 'devalias'
Jan 7 '17 at 23:52
...
Reading 64bit Registry from a 32bit application
...ccess the 64 bit registry, you can use RegistryView.Registry64 as follows:
string value64 = string.Empty;
RegistryKey localKey =
RegistryKey.OpenBaseKey(Microsoft.Win32.RegistryHive.LocalMachine,
RegistryView.Registry64);
localKey = localKey.OpenSubKey(@"SOFTWARE\Microsoft\Windows NT...
Importance of varchar length in MySQL table
...s are inserted dynamically. Because I can not be certain of the length of strings and do not want them cut off, I make them varchar(200) which is generally much bigger than I need. Is there a big performance hit in giving a varchar field much more length than necessary?
...