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Foreign Key naming scheme
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This seems to be the common use but what to people do when there are two foreign keys pointing to the same table. i.e. message table has a from_user_id and to_user_id both of those would become fk_message_user. It seem to me better to use fk_tablename_columnnam...
converting a base 64 string to an image and saving it
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Here is what I ended up going with.
private void SaveByteArrayAsImage(string fullOutputPath, string base64String)
{
byte[] bytes = Convert.FromBase64String(base64String);
Image image;
using (MemorySt...
source command not found in sh shell
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@Milad I think it does not work on ubuntu 14.04. What is your OS version?
– Reza Ameri
Dec 29 '14 at 19:32
1
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...d the instructions just do more, so you often need a bigger explanation of what they do than a listing can provide. For example, the MOVSB instruction needs a relatively large block of C code to describe what it does:
if (DF==0)
*(byte*)DI++ = *(byte*)SI++;
else
*(byte*)DI-- = *(byte*)SI--;
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How to capitalize the first letter in a String in Ruby
...рия".capitalize #=> мария
The problem is, it just doesn't do what you want it to, it outputs мария instead of Мария.
If you're using Rails there's an easy workaround:
"мария".mb_chars.capitalize.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to instal...
JOIN queries vs multiple queries
...ct, if you're not joining tables here and there, you're doing SQL wrong.) What i was talking about is cross joins, which are almost always undesirable even between two tables, let alone 5 -- and which would be about the only way to get the otherwise-totally-bogus "2268000" results mentioned above.
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When to wrap quotes around a shell variable?
...t need quotes since it's a numeric value. Whether $URL needs it depends on what you allow in there and whether you still want an argument if it's empty.
I tend to always quote strings just out of habit since it's safer that way.
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mingw-w64 threads: posix vs win32
...Windows and there are two options: win32 threads and posix threads. I know what is the difference between win32 threads and pthreads but I don't understand what is the difference between these two options. I doubt that if I will choose posix threads it will prevent me from calling WinAPI functions l...
Why are we not to throw these exceptions?
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What might also be somewhat related, NullReferenceException is usually internally thrown as a special case of an AccessViolationException (IIRC the test is something like cmp [addr], addr, ie. it tries to dereference the poin...
Difference between Convert.ToString() and .ToString()
What is the difference between Convert.ToString() and .ToString() ?
19 Answers
19
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