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String contains - ignore case [duplicate]
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You can use
org.apache.commons.lang3.StringUtils.containsIgnoreCase(CharSequence str,
CharSequence searchStr);
Checks if CharSequence contains a search CharSequence irrespective of
case, handling null. Ca...
Is there a conditional ternary operator in VB.NET?
...hecking with option strict on. (Dim var As Integer = Iif(true, 1, 2) won't compile with option strict on because you could just as easily write Dim var As Integer = Iif(true, new Object(), new Object()). You CAN write Dim var As Integer = If(true, 1, 2) with option strict on though, because it'll ch...
How to check if BigDecimal variable == 0 in java?
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Use compareTo(BigDecimal.ZERO) instead of equals():
if (price.compareTo(BigDecimal.ZERO) == 0) // see below
Comparing with the BigDecimal constant BigDecimal.ZERO avoids having to construct a new BigDecimal(0) every execution....
How to select multiple files with ?
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how does multiplication differ for NumPy Matrix vs Array classes?
The numpy docs recommend using array instead of matrix for working with matrices. However, unlike octave (which I was using till recently), * doesn't perform matrix multiplication, you need to use the function matrixmultipy(). I feel this makes the code very unreadable.
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Set selected radio from radio group with a value
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148
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jQuery vs document.querySelectorAll
...ies and manipulates elements in the DOM: you can use CSS queries to create complex queries that would be very hard to do in regular javascript .
However , as far as I know, you can achieve the same result with document.querySelector or document.querySelectorAll , which are supported in Internet ...
Commenting code in Notepad++
...d any means (not the manual way but something like in Emacs) to do a block comment in my code.
10 Answers
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How to make the division of 2 ints produce a float instead of another int?
...The other operand will be effectively automatically cast to a float by the compiler because the rules say that if either operand is of floating point type then the operation will be a floating point operation, even if the other operand is integral. Java Language Specification, §4.2.4 and §15.17
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