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Does SQLAlchemy have an equivalent of Django's get_or_create?
... maybe I should rethink my decision not to touch database defaults. I have tested that restoring a SAVEPOINT from before a query was made makes it as if that query never happend in REPEATABLE READ. Therefore, I found it necessary to enclose the query in the try clause in a nested transaction so that...
How to declare constant map
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(TestMostSoldRecommender?)
– twotwotwo
Dec 13 '14 at 9:00
1
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JRuby on Rails vs. Ruby on Rails, what's difference?
... We have both massive performance with using jruby with Oracle over VPN (tests run incredibly slowly) and also locally (no VPN) just starting up ruby, rails console, etc takes 30 seconds+ instead of 3.
– Michael Durrant
Jun 23 '14 at 14:55
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Do subclasses inherit private fields?
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public static void main(String [] args){
System.out.println("Testing...");
Child c1 = new Child();
c1.setChildOnly("childOnly");
c1.setNotReallyHidden("notReallyHidden");
//Attempting to access parent's reallyHidden
c1.reallyHidden;//Does no...
How to search for occurrences of more than one space between words in a line
... the .* is usually greedy, meaning that it will reach the end of the tested string, and all which follows, if there are mandatory characters, won't match. Usually in this case it's a good practice to add ? , like this .*?. It happened to me using PHP's PCRE
– AlexanderMP
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Are braces necessary in one-line statements in JavaScript?
...ondition)
DoSomething();
turns into the following after it has been tested with different browsers/environments/use cases or new features are added:
if (a != null)
if (condition)
DoSomething();
else
DoSomethingElse();
DoSomethingMore();
else
if (b == null)
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Why is “throws Exception” necessary when calling a function?
...curs, so that we programmers can resolve it at the time of development and testing itself.
Errors: Errors are situations from which usually the program cannot recover. For example, if a StackOverflowError occurs, our program cannot do much, such as increase the size of program's function calling sta...
Should I prefer pointers or references in member data?
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It makes unit testing and mocking out much harder, impossible almost depending on how many are used, combined with 'affect graph explosion' are IMHO compelling enough reasons never to use them.
– Chris Huang-Leaver
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Check if a string contains one of 10 characters
...ters, and only one, then it gets a bit more complicated. I believe the fastest way would be to check against an Intersection, then check for duplicates.
private static char[] characters = new char [] { '*','&',... };
public static bool ContainsOneCharacter(string text)
{
var intersection ...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
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I like that you actually tested rather than made guesses.
– Jim Hurne
Aug 25 '11 at 18:01
3
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