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How do I raise the same Exception with a custom message in Python?
I have this try block in my code:
12 Answers
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...sion syntax directly, RegexBuddy enables you to use plain English building blocks. But it can't create the high-level description for you, since it can't magically know when it should generalize your examples and when it should not.
It is certainly possible to create a tool that uses sample text a...
Why should a function have only one exit-point? [closed]
...variable, looks as the single-return approach to me. Moreover, the if-else block can be simply rewritten to: return ok ? 0 : ERR_NOT_OK;
– Melebius
Nov 7 '16 at 11:24
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Should I use single or double colon notation for pseudo-elements?
... valid CSS 2.1), it must ignore the selector and the following declaration block (if any) as well.
CSS 2.1 gives a special meaning to the comma (,) in selectors. However, since it is not known if the comma may acquire other meanings in future updates of CSS, the whole statement should be ignore...
Converting NSString to NSDate (and back again)
...Role players.
NSString *dateString = @"Wed, 03 Jul 2013 02:16:02 -0700";
__block NSDate *detectedDate;
//Detect.
NSDataDetector *detector = [NSDataDetector dataDetectorWithTypes:NSTextCheckingAllTypes error:nil];
[detector enumerateMatchesInString:dateString
options:kNilO...
Assign multiple columns using := in data.table, by group
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Hi Matt. The first example in your second code block (i.e. x[,mynames:=list(mean(b)*4,sum(b)*3),by=a,with=FALSE][]) now throws a warning, so maybe remove it? On a related note, has anyone suggested that, with options(datatable.WhenJisSymbolThenCallingScope=TRUE), an assi...
Difference between core and processor
...an i7 processor" or "this computer system has four processors."
Core: One block of a CPU, executing one instruction at a time. (You'll see people say one instruction per clock cycle, but some CPUs use multiple clock cycles for some instructions.)
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How to reset postgres' primary key sequence when it falls out of sync?
... a higher number while you are trying to get in sync. (It also temporarily blocks harmless writes not messing with the maximum number.)
But it does not take clients into account that may have fetched sequence numbers in advance without any locks on the main table, yet (which can happen). To allow fo...
log4net vs. Nlog
...d programmatic access - without the overhead of the enterprise application block.
.Net BCL Team Blog: Intro to Tracing - Part I (Look at Part II a,b,c as well)
There are also a number of comparisons floating around: "log4net vs TraceSource"
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What is the difference between object keys with quotes and without quotes?
...e .size() method instead of setting the size attribute). The previous code block could thus be written instead as:
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