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Return 0 if field is null in MySQL
...ou show why Kevin's example in the comment is wrong and what it should actually be?
– Michael
Aug 10 '16 at 13:44
than...
Java abstract interface
...blic void interfacing();
public abstract boolean interfacing(boolean really);
\___.__/
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'----> nor this, are necessary.
}
Interfaces and their methods are implicitly abstract and adding that modifier makes no difference.
Is there other rules tha...
How to reverse a string in Go?
...size of the input in bytes. It does not correspond to its length. - Not all utf8's runes are of the same size. It can be either 1, 2, 4, or 8. - You should use unicode/ut8 package's method RuneCountInString to get the length of the rune.
– Anvesh Checka
M...
PHP function to generate v4 UUID
... PHP docs explicitly caution that mt_rand() does not generate cryptographically secure values. In other words, values generated by this function may be predictable. If you need to ensure that the UUIDs are not predictable, you should rather use Jack's solution below, which makes use of the openssl_r...
Is there an online name demangler for C++? [closed]
...d implementations of demanglers are horribly buggy and insecure. They basically only work on mangled names that the same platform produced, but may run into high complexity or flat out memory errors on general inputs.
– Kerrek SB
Mar 29 '17 at 0:07
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Calendar Recurring/Repeating Events - Best Storage Method
... didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place on a specific date.
The method below is great at storing repeating information that occurs at regular intervals, such as every day, every n days, every week, every month every year, etc etc. ...
Collapse sequences of white space into a single character and trim string
...low, because it creates a new object for every substring and sends method calls to each of them.
– Georg Schölly
Jun 23 '11 at 18:55
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How can I view all the git repositories on my machine?
Is there a way in which I can see all the git repositories that exist on my machine? Any command for that?
10 Answers
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Is there a way to get element by XPath using JavaScript in Selenium WebDriver?
...tNodes instead.
MSDN: https://msdn.microsoft.com/en-us/library/ms754523(v=vs.85).aspx
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Is there a way to make GHC provide the type class constraints of typed holes?
...ng out-of-scope types
(use -fprint-potential-instances to see them all)
• In the expression: show _
In an equation for ‘it’: it = show _
<interactive>:3:6: error:
• Found hole: _ :: a0
Where: ‘a0’ is an ambiguous type variable
• In the first argum...