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When do we need curly braces around shell variables?
In shell scripts, when do we use {} when expanding variables?
7 Answers
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Change the selected value of a drop-down list with jQuery
I have a drop-down list with known values. What I'm trying to do is set the drop down list to a particular value that I know exists using jQuery .
Using regular JavaScript , I would do something like:
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C++ templates that accept only certain types
In Java you can define generic class that accept only types that extends class of your choice, eg:
14 Answers
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How to change row color in datagridview?
I would like to change the color of a particular row in my datagridview. The row should be changed to red when the value of columncell 7 is less than the value in columncell 10. Any suggestions on how to accomplish this?
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maxlength ignored for input type=“number” in Chrome
The maxlength attribute is not working with <input type="number"> . This happens only in Chrome.
22 Answers
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What is a JavaBean exactly?
I understood, I think, that a "Bean" is a Java class with properties and getters/setters. As much as I understand, it is the equivalent of a C struct. Is that true?
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Same-named attributes in attrs.xml for custom view
I'm writing a few custom views which share some same-named attributes. In their respective <declare-styleable> section in attrs.xml I'd like to use the same names for attributes:
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What is the difference between `sorted(list)` vs `list.sort()`?
list.sort() sorts the list and replaces the original list, whereas sorted(list) returns a sorted copy of the list, without changing the original list.
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Why does .NET foreach loop throw NullRefException when collection is null?
So I frequently run into this situation... where Do.Something(...) returns a null collection, like so:
11 Answers
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What is the difference between save and insert in Mongo DB?
What is the difference between save and insert in Mongo DB?
both looks the same
9 Answers
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