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Master-master vs master-slave database architecture?
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We're trading off availability, consistency and complexity. To address the last question first: Does this matter? Yes very much! The choices concerning how your data is to be managed is absolutely fundamental, and there's no "Best Practice" dodging the decisions. You n...
python assert with and without parenthesis
...through a full interpreter, not through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentiall...
How do I loop through or enumerate a JavaScript object?
...have to make sure that the key you get is an actual property of an object, and doesn't come from the prototype.
Here is the snippet:
var p = {
"p1": "value1",
"p2": "value2",
"p3": "value3"
};
for (var key in p) {
if (p.hasOwnProperty(key)) {
console.log(key + "...
List or IList [closed]
...'t change.
If you are just using it internally, you may not care so much, and using List<T> may be ok.
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UIView's frame, bounds, center, origin, when to use what?
UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
Meaning of “[: too many arguments” error from if [] (square brackets)
...t find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it.
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How to increase the gap between text and underlining in CSS
...erline applied, is it possible to increase the distance between the text and the underline?
15 Answers
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How do you run your own code alongside Tkinter's event loop?
My little brother is just getting into programming, and for his Science Fair project, he's doing a simulation of a flock of birds in the sky. He's gotten most of his code written, and it works nicely, but the birds need to move every moment .
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How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”
...FYI, the terribly troublesome old date-time classes such as java.util.Date and java.sql.Timestamp are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.
– Basil Bourque
Dec 24 '18 at 20:01
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How to remove unreferenced blobs from my git repo
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... and without further ado, may I present to you this useful command, "git-gc-all", guaranteed to remove all your git garbage until they might come up extra config variables:
git -c gc.reflogExpire=0 -c gc.reflogExpireUnreachab...