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Best way to combine two or more byte arrays in C#
...;> method. It's only slightly slower than the C# yield operator, but is more concise and more elegant.
IEnumerable<byte> rv = a1.Concat(a2).Concat(a3);
If you have an arbitrary number of arrays and are using .NET 3.5, you can make the System.Buffer.BlockCopy solution more generic like th...
Check if an element's content is overflowing?
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If you want to show only an identifier for more content, then you can do this with pure CSS. I use pure scrolling shadows for this. The trick is the use of background-attachment: local;. Your css looks like this:
.scrollbox {
overflow: auto;
width: 200px;
...
“Large data” work flows using pandas
...te new columns, save these.
(Giving a toy example could enable us to offer more specific recommendations.)
After that processing, then what do you do? Is step 2 ad hoc, or repeatable?
Input flat files: how many, rough total size in Gb. How are these organized e.g. by records? Does each one contains ...
Split (explode) pandas dataframe string entry to separate rows
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Can the solution be extended to more than two columns?
– horatio1701d
Jun 25 '14 at 21:54
1
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Why do we use __init__ in Python classes?
...ributes" that are colour or legs above.
Now, to something less canine and more programming-related. As I write below, class to add things is not sensible - what is it a class of? Classes in Python make up of collections of different data, that behave similarly. Class of dogs consists of Fido and Sp...
Gradients on UIView and UILabels On iPhone [duplicate]
...ankly, for each bitmap in your application, you're setting yourself up for more work in the future. Gradient code will always look great. Your bitmap will only look good until Apple decides to increase the resolution of the screen again.
– ArtOfWarfare
Dec 30 '...
Why is f(i = -1, i = -1) undefined behavior?
...r operation on the same memory location.
For example, imagine that it was more efficient to zero the memory, then decrement it, compared with loading the value -1 in. Then this:
f(i=-1, i=-1)
might become:
clear i
clear i
decr i
decr i
Now i is -2.
It is probably a bogus example, but it is p...
When to use Common Table Expression (CTE)
... from Books Online:
A CTE can be used to:
Create a recursive query. For more information, see Recursive Queries Using Common Table Expressions.
Substitute for a view when the general use of a view is not required; that is, you do not have to store the definition in metadata.
Enable grouping by a ...
How can I get the diff between all the commits that occurred between two dates with Git?
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Unique ways to use the Null Coalescing operator [closed]
...one call. This is really powerful when you have a method that needs two or more such substitutions!
– David A. Gray
Feb 28 '17 at 2:30
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