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How do I check if a string is unicode or ascii?
What do I have to do in Python to figure out which encoding a string has?
11 Answers
1...
RegEx for Javascript to allow only alphanumeric
...ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Are foreign keys really necessary in a database design?
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That's a horrible answer FKs genaerally can add extra overhead not improve performance.
– Agile Jedi
Feb 13 '15 at 18:42
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Declaring an unsigned int in Java
... original purpose of Java. But for example Smartphones do not dispose with extra memory. And they usually use Java, as far as I know. But well, I don't want to start a war between Java programers and the others.
– Tomáš Zato - Reinstate Monica
Jun 18 '13 at 8...
How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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What is Delegate? [closed]
...eferred to as type safe function pointer. Here I am giving an example with String.
The following example shows a delegate operation:
namespace MyDelegate
{
class Program
{
private delegate void Show(string s);
// Create a method for a delegate.
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Is it expensive to use try-catch blocks even if an exception is never thrown?
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Let's measure it, shall we?
public abstract class Benchmark {
final String name;
public Benchmark(String name) {
this.name = name;
}
abstract int run(int iterations) throws Throwable;
private BigDecimal time() {
try {
int nextI = 1;
i...
Check for array not empty: any?
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This is a question about arrays, not strings.
– Chiara Ani
Aug 28 at 15:08
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What are the most-used vim commands/keypresses?
...en posted to death already btw) draw's this much attention while going the extra mile other posters put in do not...
– Lieven Keersmaekers
Mar 23 '11 at 7:28
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Why is the asterisk before the variable name, rather than after the type?
...plication operator
And indirection is just a single meaning, there is no extra meaning for declaring a pointer, there is just indirection, which is what the dereference operation does, it performs an indirect access, so also within a statement like int *a; this is an indirect access (* means indir...