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How to format a floating number to fixed width in Python
... may be useful is when you want to properly list filenames in alphabetical order. I noticed in some linux systems, the number is: 1,10,11,..2,20,21,...
Thus if you want to enforce the necessary numeric order in filenames, you need to left pad with the appropriate number of zeros.
...
Can JSON start with “[”?
...ct, dictionary, hash table,
keyed list, or associative array.
An ordered list of values. In most languages, this is realized as an
array, vector, list, or sequence.
It then goes on to describe the two structures as:
Note that the starting and ending characters are curly bracke...
What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
...rectional, I think it would be better to call setGroup() from addUser() in order to hold both sides consistent.
– axtavt
Mar 19 '11 at 16:24
...
Joining two lists together
...string>();
a.AddRange(b);
MSDN page for AddRange
This preserves the order of the lists, but it doesn't remove any duplicates which Union would do.
This does change list a. If you wanted to preserve the original lists then you should use Concat (as pointed out in the other answers):
var newL...
Alternatives to gprof [closed]
...ction call is 1 instruction, so something that locates costly calls is 2-3 orders of magnitude more precise.)
that the call graph is important.
What you need to know about a program is not where it spends its time, but why. When it is spending time in a function, every line of code on the stack give...
Efficient evaluation of a function at every cell of a NumPy array
...one would like to avoid possible cache misses if axis are handled in wrong order.
Numpy has already a machinery in place to process axes in the best possible order. One possibility to use this machinery is np.vectorize. However, numpy's documentation on np.vectorize states that it is "provided prim...
Why are const parameters not allowed in C#?
...ially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. But why can't we mark ...
Advantage of creating a generic repository vs. specific repository for each object?
... for users.Where(u=>u.HasPurchasedAnything) instead of users.Join(x=>Orders, something something, I dont know linq).Where(order=>order.Status==1).Join(x=>x.products).Where(x.... etc etc etc.... blah blah blah
– Arnis Lapsa
Oct 7 '11 at 17:43
...
No generic implementation of OrderedDictionary?
There doesn't appear to be a generic implementation of OrderedDictionary (which is in the System.Collections.Specialized namespace) in .NET 3.5. Is there one that I'm missing?
...
Is there a way to access an iteration-counter in Java's for-each loop?
...t variant of for iterates over) even have an index, or even have a defined order (some collections may change the order when you add or remove elements).
See for example, the following code:
import java.util.*;
public class TestApp {
public static void AddAndDump(AbstractSet<String> set, ...