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How to know if an object has an attribute in Python
...P) rather than "look before you leap" (LBYL). See these references:
EAFP vs LBYL (was Re: A little disappointed so far)
EAFP vs. LBYL @Code Like a Pythonista: Idiomatic Python
ie:
try:
doStuff(a.property)
except AttributeError:
otherStuff()
... is preferred to:
if hasattr(a, 'property...
Best way to initialize (empty) array in PHP
...PHP 5.4. From a performance perspective however there's no advantage to [] vs. array().
– Tom Auger
Jan 8 '15 at 14:45
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Can you call Directory.GetFiles() with multiple filters?
...performance boost (What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?)
"IgnoreCase" should be faster than "ToLower" (.EndsWith("aspx", StringComparison.OrdinalIgnoreCase) rather than .ToLower().EndsWith("aspx"))
But the real benefit of EnumerateFiles shows up when you s...
Remove last item from array
... Array.prototype.pop() appears to be the fastest jsperf.com/slice-vs-splice-vs-pop/3
– Daniel
Mar 1 '16 at 19:48
1
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How to convert from System.Enum to base integer?
...king if underlying type differs from int
– Alex Zhukovskiy
Dec 23 '16 at 13:34
@YaroslavSivakov it won't work e.g. for...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...
Looks like everyone is answering One-to-many vs. Many-to-many:
The difference between One-to-many, Many-to-one and Many-to-Many is:
One-to-many vs Many-to-one is a matter of perspective. Unidirectional vs Bidirectional will not affect the mapping but will make differenc...
How to Compare Flags in C#?
... @MarioVW Running several times on .NET 4, i7-3770 gives ~2400ms vs ~20ms on AnyCPU (64-bit) mode, and ~3000ms vs ~20ms on 32-bit mode. .NET 4.5 may have optimised it slightly. Also note the performance difference between 64-bit and 32-bit builds, which might be due to faster 64-bit arithm...
What is the correct way to check for string equality in JavaScript?
...s always the recommended approach.
For insight into this, and other "good vs. bad" parts of Javascript read up on Mr. Douglas Crockford and his work. There's a great Google Tech Talk where he summarizes lots of good info: http://www.youtube.com/watch?v=hQVTIJBZook
Update:
The You Don't Know JS...
How can I tell if one commit is a descendant of another commit?
...anch --contains <commit> and git merge-base --is-ancestor ...: 3m40s vs 0.14s
– hagello
Nov 14 '17 at 11:56
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HTTP Error 503. The service is unavailable. App pool stops on accessing website
...ck Change->Repair
for aspnetcore.dll - find Microsoft .NET Core 1.0.0 - VS 2015 Tooling ... and click Change->Repair.
Restart your computer.
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