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decimal vs double! - Which one should I use and when? [duplicate]
... some base 10 numbers are corrupted because they are an infinite series if converted to a base 2 exp, in binary float math 0.1 * 0.1 != 0.01 because 0.1 cannot be represented exactly. Math operations also lead to drift - add and subtract with dollars and cents and you can get numbers like 0.99999999...
Double vs. BigDecimal?
...es store values as binary and therefore might introduce an error solely by converting a decimal number to a binary number, without even doing any arithmetic.
Decimal numbers (like BigDecimal), on the other hand, store each decimal digit as is. This means that a decimal type is not more precise than...
LINQ equivalent of foreach for IEnumerable
...d evaluating Funcs
var evaluatedObservable = observable.ToEnumerable().Select(func => func()).ToList();
//Win
Assert.That(evaluatedObservable,
Is.EquivalentTo(values.ToList()));
}
The following fails with the error:
Expected: equivalent to < 0, 1, 2, 3, 4, 5, 6, 7, 8, ...
How to remove elements from a generic list while iterating over it?
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Select the elements you do want rather than trying to remove the elements you don't want. This is so much easier (and generally more efficient too) than removing elements.
var newSequence = (from el in list
...
How to pass the -D System properties while testing on Eclipse?
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Run -> Run configurations, select project, second tab: “Arguments”. Top box is for your program, bottom box is for VM arguments, e.g. -Dkey=value.
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Adding local .aar files to Gradle build using “flatDirs” is not working
... to why my next button is grayed out on the Create New Module dialog after selecting Import JAR/AAR Package?
– Kevin Crain
Nov 9 '16 at 8:50
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How is a non-breaking space represented in a JavaScript string?
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That entity is converted to the char it represents when the browser renders the page. JS (jQuery) reads the rendered page, thus it will not encounter such a text sequence. The only way it could encounter such a thing is if you're double enc...
CSS selector by inline style attribute
Is there a CSS selector to select this element by its inline style attribute value?
2 Answers
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Update a column value, replacing part of a string
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Try using the REPLACE function:
mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww');
-> 'WwWwWw.mysql.com'
Note that it is case sensitive.
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What is the difference between call and apply?
...u need to change the value of this for the function call. An example (that convert a functions arguments-object to an array): Array.prototype.slice.call(arguments) or [].slice.call(arguments). apply makes sense if you have the arguments in an array, for example in a function that calls another funct...