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Does order of where clauses matter in SQL?
...RE T1.col_1/T2.col_2 > 10 AND T2.col_2 <> 0 and got a DIVIDE BY 0 error. After I switched the order the conditions the query executed succesfully. Then I switched the order back so I would expect to get the error again, but this time it worked!In the end my conclusion was that for the first...
How to add property to a class dynamically?
...ux'])
foo = Foo(bar=13, quux=74)
print foo.bar, foo.quux
foo2 = Foo() # error
If you absolutely need to write your own setter, you'll have to do the metaprogramming at the class level; property() doesn't work on instances.
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Unique Key constraints for multiple columns in Entity Framework
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edited May 6 '14 at 17:05
answered Apr 15 '14 at 17:02
c...
Python pip install fails: invalid command egg_info
...ntly often when I try to install a Python package using pip , I get the error(s) below.
15 Answers
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Check OS version in Swift?
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func runNewCode() {
guard #available(iOS 13.0, *) else {
fatalError()
}
// do new stuff
}
func runLegacyCode() {
// do old stuff
}
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How to pretty print nested dictionaries?
...s much better than this. Json already handles everything and this can give errors such: UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 50: ordinal not in range(128)
– wonderwhy
Aug 27 '14 at 13:20
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...nto two or three distinct parts that are processed independently. A syntax error in the IF construction will result in a fatal syntax error.
The comparison operation is the actual command that flows all the way through to phase 7
All IF options are fully parsed in phase 2.
Consecutive token deli...
How to find the statistical mode?
...rsion 3.6.0, it says function 'could not find function "mlv"' and the same error when I tried mfv(mysamples). Is it depreciated?
– Dr Nisha Arora
Oct 18 '19 at 17:00
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iOS 7 style Blur view
...ice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
NSError *error;
AVCaptureDeviceInput *deviceInput = [AVCaptureDeviceInput deviceInputWithDevice:inputDevice error:&error];
if ([session canAddInput:deviceInput]) {
[session addInput:deviceInput];
}
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jQuery - replace all instances of a character in a string [duplicate]
...needs to be regex, and yes the g switch is required. But, no: Uncaught TypeError: Object [object Object] has no method 'replace'.
– David says reinstate Monica
Nov 26 '12 at 23:37
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