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Unique Key constraints for multiple columns in Entity Framework
... third approach may not necessarily be the best. (I like the first one actually.) I personally prefer not having any EF artifacts carried over into my entity classes.
– Najeeb
Nov 11 '17 at 12:45
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Version number comparison in Python
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Now you've merged all the good ideas from the others into your solution ... :-P still, this is pretty much what I'd do after all. I'll accept this answer. Thanks, everyone
– Johannes Charra
Nov 11 '09 at ...
Does Java have something like C#'s ref and out keywords?
...n change internals to the array or object and it will be reflected in the caller.
– Romain Hippeau
May 10 '10 at 21:27
12
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Pythonic way to find maximum value and its index in a list?
...many options, for example:
import operator
index, value = max(enumerate(my_list), key=operator.itemgetter(1))
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Print string to text file
...t_file.close()
If you use a context manager, the file is closed automatically for you
with open("Output.txt", "w") as text_file:
text_file.write("Purchase Amount: %s" % TotalAmount)
If you're using Python2.6 or higher, it's preferred to use str.format()
with open("Output.txt", "w") as text...
Generate a random number in the range 1 - 10
...[ID](
[IDN] [int] IDENTITY(1,1) NOT NULL,
[ID] [int] NULL)
INSERTING THE SCRIPT :
INSERT INTO [SearchIndex]([Cursor]) SELECT N'INSERT INTO ID SELECT FLOOR(rand() * 9 + 1) SELECT COUNT (ID) FROM ID
CREATING AND EXECUTING THE PROCEDURE:
CREATE PROCEDURE [dbo].[RandNumbers] AS
BEGIN
Declare ...
Sign APK without putting keystore info in build.gradle
...an use the Keychain Access to store your passwords.
Then in your gradle scripts:
/* Get password from Mac OSX Keychain */
def getPassword(String currentUser, String keyChain) {
def stdout = new ByteArrayOutputStream()
def stderr = new ByteArrayOutputStream()
exec {
commandLin...
Function in JavaScript that can be called only once
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If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
executed = true;
// do something
}
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How do I check which version of NumPy I'm using?
...c Rodger: yeah, but your is more general to any module that cares to set a __version__.
– Esteban Küber
Oct 5 '09 at 14:13
57
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Changing every value in a hash in Ruby
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@Andrew Marshall Right you are, thanks. In Ruby 1.8, Hash.[] doesn't accept an array of array pairs, it requires an even number of direct arguments (hence the splat up front).
– Phrogz
Mar 4 '11 at 3...