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Keyword not supported: “data source” initializing Entity Framework Context
...ss, make sure that it has single quotes. If you are getting the connection from the .config file, then it is okay to use the " escape sequence.
– Mike Stonis
May 10 '12 at 23:45
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What are the rules for evaluation order in Java?
...Greenie: Eric's answer is true, but as I stated you cannot take an insight from one language in this area and apply it to another without being careful. So I cited the definitive source.
– Donal Fellows
Aug 16 '11 at 18:53
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Never seen before C++ for loop
...g a comma has the value of the last subexpression on the right. This comes from C and can be used in any expression, not only in a for loop.
– Giorgio
Aug 1 '12 at 8:04
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What is the significance of load factor in HashMap?
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Actually, from my calculations, the "perfect" load factor is closer to log 2 (~ 0.7). Although any load factor less than this will yield better performance. I think that .75 was probably pulled out of a hat.
Proof:
Chaining can be av...
Chain-calling parent initialisers in python [duplicate]
Consider this - a base class A, class B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
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How to convert strings into integers in Python?
I have a tuple of tuples from a MySQL query like this:
15 Answers
15
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What is a serialVersionUID and why should I use it?
...d it preserves the abiity of the serialVersionUID mechanism to protect you from incompatible changes.
– Tom Anderson
Apr 24 '11 at 10:43
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Javascript reduce on array of objects
...educe((a, b) => ({x: a.x + b.x}));
// -> {x: 7}
Explanation added from comments:
The return value of each iteration of [].reduce used as the a variable in the next iteration.
Iteration 1: a = {x:1}, b = {x:2}, {x: 3} assigned to a in Iteration 2
Iteration 2: a = {x:3}, b = {x:4}.
The ...
How to convert date to timestamp?
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Instead of converting the date string from "European" to "American" format, it's better to convert it to ISO 8601 format (YYYY-MM-DD), which is guaranteed to be understood by Date(), and is, generally speaking, the most interoperable format for date strings.
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What is event bubbling and capturing?
...ion:
quirksmode.org has a nice description of this. In a nutshell (copied from quirksmode):
Event capturing
When you use event capturing
| |
---------------| |-----------------
| element1 | | |
| -----------| |----------- |
| |element2 \ / ...