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Replace values in list using Python [duplicate]
...ns ± 13.6 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
And Python 2.7.6 timings:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
...: for index, item in enumerate(items):
...: if not (item % 2):
...: items[index] = None
...:
1000000 l...
Glorified classes in the Java language
...ance). I would also add its generic typing without creating new instances.
String - with it's overloaded +-operator and the support of literals
Enum - the only class that can be used in a switch statement (soon a privilege to be given to String as well). It does other things as well (automatic stati...
How to get values from IGrouping
I have a question about IGrouping and the Select() method.
4 Answers
4
...
Extracting double-digit months and days from a Python date [duplicate]
... Just to add another formatting method to get a padded zero string you could use the zfill() function like so: str(d.month).zfill(2)
– Muon
Mar 1 '18 at 4:22
...
Best way to center a on a page vertically and horizontally? [duplicate]
Best way to center a <div> element on a page both vertically and horizontally?
30 Answers
...
Add Foreign Key to existing table
...
Reasons help me understand and remember. This is because you can't add a foreign key to an non-unsigned field, correct?
– PixMach
Sep 28 '15 at 21:25
...
What is the fastest way to create a checksum for large files in C#
...implementation (at least on my machine using a 1.2 GB file)
public static string Md5SumByProcess(string file) {
var p = new Process ();
p.StartInfo.FileName = "md5sum.exe";
p.StartInfo.Arguments = file;
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandar...
How to display gpg key details without importing it?
I have a copy of the postgresql apt repository gpg key and would like to view the details of the gpg key as it comes in the file. Is this possible without importing it into a key ring?
...
How can I update a single row in a ListView?
...ave a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is gett...
Java switch statement: Constant expression required, but it IS constant
...nt variable" as follows:
We call a variable, of primitive type or type String, that is final and initialized with a compile-time constant expression (§15.28) a constant variable. Whether a variable is a constant variable or not may have implications with respect to class initialization (§12.4....
