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Length of an integer in Python
...always convert it to string like str(133) and find its length like len(str(123)).
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Check if a string is a date value
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how exactly should one use this? moment("whatever 123").isValid() returns true.
– krivar
Jun 22 '15 at 11:49
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Returning a C string from a function
I am trying to return a C string from a function, but it's not working. Here is my code.
14 Answers
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Difference between 2 dates in SQLite
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SELECT julianday('now') - julianday(DateCreated) FROM Payment;
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Best practices for Storyboard login screen, handling clearing of data upon logout
...Controller
}
return true
In Sign up view controller:
@IBAction func actionSignup(_ sender: Any) {
let appDelegateTemp = UIApplication.shared.delegate as? AppDelegate
appDelegateTemp?.window?.rootViewController = UIStoryboard(name: "Main", bundle: Bundle.main).instantiateInitialViewContro...
CSS vertical alignment of inline/inline-block elements
...dle; // Align children to middle of line
}
See: http://jsfiddle.net/dfmx123/TFPx8/1186/
NOTE: vertical-align is relative to the current text line, not the full height of the parent div. If you wanted the parent div to be taller and still have the elements vertically centered, set the div's line-...
What's the difference between a Future and a Promise?
...ue and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
An example is also given on the list:
f.then((s -> aStringFunction(s)).thenAsync(s -> ...);
Note that the final API is slightly different but allows similar...
Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...OT 5 evaluates to -6, which is also TRUE! Finding this sort of bug is not fun.
Best Practices
Given the de facto rules that zero is interpreted as FALSE and any non-zero value is interpreted as TRUE, you should never compare boolean-looking expressions to TRUE or FALSE. Examples:
if (thisValue ...
Relational table naming convention [closed]
...D and COMPANY_ID, some of those values will be the same of course. But the 123 from USER_ID is not the same as 123 from COMPANY_ID, because their values are drawn from difference domains. That way it makes sense to name them differently.
– Ronnis
Mar 19 '19 at ...
Hibernate Criteria returns children multiple times with FetchType.EAGER
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Even if you do understand the following explanation, you might well complain about this behaviour on the Hibernate forum, because it is fl...