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Check if table exists in SQL Server
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Thanks Joe, I was wondering why you would use OBJECT_ID vs INFORMATION_SCHEMA.TABLES vs sys.tables. Pointing out that INFORMATION_SCHEMA is part of a standard pretty much answers that question. BTW it's funny, one of our Database experts that I was going to ask this question has t...
How should I print types like off_t and size_t?
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For Microsoft, the answer is different. VS2013 is largely C99 compliant but "[t]he hh, j, z, and t length prefixes are not supported." For size_t
"that is, unsigned __int32 on 32-bit platforms, unsigned __int64 on 64-bit platforms" use prefix I (capital eye) with t...
Compile Views in ASP.NET MVC
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is there a similiar solution vor VS2012?
– daniel
May 7 '13 at 12:22
7
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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
1
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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?
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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...