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“Comparison method violates its general contract!”
... of the library to detect this and let you know, rather than behave erratically.
One way to satisfy the transitivity requirement in compareParents() is to traverse the getParent() chain instead of only looking at the immediate ancestor.
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Why is it bad style to `rescue Exception => e` in Ruby?
...-9.
Rescuing SyntaxError means that evals that fail will do so silently.
All of these can be shown by running this program, and trying to CTRLC or kill it:
loop do
begin
sleep 1
eval "djsakru3924r9eiuorwju3498 += 5u84fior8u8t4ruyf8ihiure"
rescue Exception
puts "I refuse to fail or...
How does the “this” keyword work?
...ains in JavaScript.
Once you start getting used to this, the rules are actually pretty simple. The ECMAScript 5.1 Standard defines this:
§11.1.1 The this keyword
The this keyword evaluates to the value of the ThisBinding of the current execution context
ThisBinding is something that the JavaScrip...
Decimal separator comma (',') with numberDecimal inputType in EditText
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This will allow duplicate decimal separators. See answer below to handle it: stackoverflow.com/a/45384821/6138589
– Esdras Lopez
Feb 6 '19 at 1:50
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jQuery Ajax error handling, show custom exception messages
... doing this after 2 years and a half... :) I went a little further and actually return my own error JSON object that can handle single or multiple errors, quite good for server-side form validation.
– AlexCode
Jul 19 '11 at 19:28
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AngularJS multiple filter with custom filter function
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this one returns all the result if it doesn't find the searched attribute in the list, how can I do to invert this behavior and return no result if the value doesn't exist in the list?
– Zakaria Belghiti
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Android SQLite: nullColumnHack parameter in insert/replace methods
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Let's suppose you have a table named foo where all columns either allow NULL values or have defaults.
In some SQL implementations, this would be valid SQL:
INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT INTO foo (s...
Restart/undo conflict resolution in a single file
...html
git checkout -m FILE
This restores the unresolved state, including all information about parent and merge base, which allows restarting the resolution.
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What's the difference between a continuation and a callback?
I've been browsing all over the web in search of enlightenment about continuations, and it's mind boggling how the simplest of explanations can so utterly confound a JavaScript programmer like myself. This is especially true when most articles explain continuations with code in Scheme or use monads....
Extract digits from a string in Java
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You can use regex and delete non-digits.
str = str.replaceAll("\\D+","");
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