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What is wrong with using goto? [duplicate]
...urn can be used instead of goto to jump out of nested loops. For example, extract the nested loops into a new function and return from there when the condition that triggers the goto is satisfied. I only see goto being used only to get an extra bit of performance
– mljrg
...
Check if a string has white space
I'm trying to check if a string has white space . I found this function but it doesn't seem to be working:
7 Answers
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Get ID of last inserted document in a mongoDB w/ Java driver
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In MongoTemplate.class has a method
protected <T> void doInsert(String collectionName, T objectToSave, MongoWriter<T> writer) {
assertUpdateableIdIfNotSet(objectToSave);
initializeVersionProperty(objectToSave);
maybeEmitEvent(new BeforeConvertEvent<T>(objectToSa...
PHP multidimensional array search by value
...compared types have to be exactly same, in this example you have to search string or just use == instead ===.
Based on angoru answer. In later versions of PHP (>= 5.5.0) you can use one-liner.
$key = array_search('100', array_column($userdb, 'uid'));
Here is documentation: http://php.net/manu...
Truncate Two decimal places without rounding
...t it to an Integer. The question would be why you would want to incur that extra overhead anyway since Truncate returns Decimal integrals anyway. Just do something like: decimal step = (decimal)Math.Pow(10, precision); return Math.Truncate(step * value) / step;
– Sarel Esterhu...
How to “return an object” in C++?
...ll probably optimize the call to the copy constructor, so there will be no extra overhead. (Like dreamlax pointed out in the comment).
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jQuery get textarea text
...ry -- what if the user types over some "output" ), or trying to build up a string from keystroke events ( foolish to try -- what about backspaces, etc? ).
– Nick Perkins
Aug 1 '11 at 23:22
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How do I convert a string to enum in TypeScript?
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Enums in TypeScript 0.9 are string+number based. You should not need type assertion for simple conversions:
enum Color{
Red, Green
}
// To String
var green: string = Color[Color.Green];
// To Enum / number
var color : Color = Color[green];
Tr...
Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
...just connect with sudo mysql. If you run sql :
SELECT user,authentication_string,plugin,host FROM mysql.user;
then you will see it :
+------------------+-------------------------------------------+-----------------------+-----------+
| user | authentication_string ...
Overloading and overriding
...ss test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding is a principle that allows you to change the functionality of a method in a child class.
//Overriding
public class test
{
public virtual void getStuff(int id)
{...