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Python “SyntaxError: Non-ASCII character '\xe2' in file”
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147
You've got a stray byte floating around. You can find it by running
with open("x.py") as fp:
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What should main() return in C and C++?
...kmad3workmad3
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70
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Scrolling a flexbox with overflowing content
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K-Gun
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answered Feb 4 '14 at 0:59
Joseph SilberJoseph Si...
Add native files from NuGet package to project output directory
...es in all child directories of the build directory. So to add an x86 and x64 version of a native library used by an Any CPU managed assembly you would end up with a directory structure similar to the following:
build
x86
NativeLib.dll
NativeLibDependency.dll
x64
NativeLib.dll
NativeLibDepen...
How do I declare class-level properties in Objective-C?
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Erik Aigner
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answered Mar 30 '09 at 4:50
Andrew GrantAndrew Grant
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... your cache. L is always power of 2.
The six comes from fact that 2^6 == 64 bytes is standard size of cache line.
Now what does this mean? Well it means that if I have address X and address Y and
(X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2), they will be stored i...
How can I remove specific rules from iptables?
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492
Execute the same commands but replace the "-A" with "-D". For example:
iptables -A ...
beco...
C# Double - ToString() formatting with two decimal places but no rounding
...Truncate(myDoubleValue * 100) / 100;
For instance:
If the number is 50.947563 and you use the following, the following will happen:
- Math.Truncate(50.947563 * 100) / 100;
- Math.Truncate(5094.7563) / 100;
- 5094 / 100
- 50.94
And there's your answer truncated, now to format the string simply ...
Fast ceiling of an integer division in C / C++
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401
For positive numbers
unsigned int x, y, q;
To round up ...
q = (x + y - 1) / y;
or (avoi...
NOT IN vs NOT EXISTS
...ley. In the example there the number of logical reads increase from around 400 to 500,000.
Additionally the fact that a single NULL can reduce the row count to zero makes cardinality estimation very difficult. If SQL Server assumes that this will happen but in fact there were no NULL rows in the da...