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MySQL error: key specification without a key length
...OB type such as VARCHAR and ENUM into TEXT or BLOB type, with the column already been defined as unique constraints or index. The Alter Table SQL command will fail.
The solution to the problem is to remove the TEXT or BLOB column from the index or unique constraint or set another field as primary k...
Do git tags get pushed as well?
.../a/16164809/11635 should be accepted. Even if not, it should definitely be read - it provides pros and cons and ultimately a more practical and correct answer for today
– Ruben Bartelink
Dec 23 '18 at 15:04
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.NET JIT potential error?
...ngly, I found that the x64 JIT does not have the same problem.
Here is my reading of the x86 JIT.
// save context
00000000 push ebp
00000001 mov ebp,esp
00000003 push edi
00000004 push esi
00000005 push ebx
// put oDoesSomething pointer in ebx
000...
Should “node_modules” folder be included in the git repository
...ur package would break any other installs. If so, we will not remove it.
read more
So the chances for this are low, but there is scenario 2...
scenario 2:
An other scenario where this is the case:
You develop an enterprise version of your software or a very important software and write in you...
Difference between Select and ConvertAll in C#
...oncern, use Select as it's more idiomatic in the language and tells future readers performance was not a concern.
– Durdsoft
Mar 20 at 23:23
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How to check if std::map contains a key without doing insert?
... Not true. It's not premature if it makes the code easier to read or eliminates unnecessary overhead. In this case, if count() is implemented via find() anyway, then calling find() directly eliminates a function call... ergo, it's mature optimization. I find that using the find() call ...
How can I find the location of origin/master in git, and how do I change it?
... about that sort of thing. We want simple, straightforward answers. We can read about the subtleties later, once we've solved the pressing problem.)
Earl
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“static const” vs “#define” vs “enum”
...t" in C means something that can be evaluated at compile time; const means read-only. const int r = rand(); is perfectly legal.
– Keith Thompson
Feb 26 '14 at 16:51
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printf format specifiers for uint32_t and size_t
...orrect for the type you are passing, then printf will do the equivalent of reading too much or too little memory out of the array. As long as you use explicit casts to match up types, it's portable.
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Why {} + {} is NaN only on the client side? Why not in Node.js?
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@Samuel All it took is reading the source - I swear! In Chrome, if you enter 'debugger;' , you get the whole pipe - it will throw you directly to the 'with' with just one function above to evaluateOn. In node, everything is very well documented - t...