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How to set a Javascript object values dynamically?

...j[prop] = value; That should work. You mixed up the name of the variable and its value. But indexing an object with strings to get at its properties works fine in JavaScript. share | improve this ...
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value

...uld mean that there was a problem. If the value can be missing or present and both are valid for the application logic then return a null. More important: What do you do other places in the code? Consistency is important. ...
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How do I *really* justify a horizontal menu in HTML+CSS?

... In this instance, you would just set the parent element's display to flex and then change the justify-content property to either space-between or space-around in order to add space between or around the children flexbox items. Using justify-content: space-between - (example here): ul { l...
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Why is it string.join(list) instead of list.join(string)?

...e any iterable can be joined (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings. For example: '_'.join(['welcome', 'to', 'stack', 'overflow']) '_'.join(('welcome', 'to', 'stack', 'overflow')) 'welcome_to_stack_overflow' Using something else than strings will raise t...
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Combine multiple Collections into a single logical Collection?

...terate over all elements (ideally, read only). I'm using guava collections and I wonder how I could use guava iterables/iterators to generate a logical view on the internal collections without making temporary copies. ...
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Add only non-whitespace changes

... text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace. ...
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How to turn off word wrapping in HTML?

... to use the CSS white-space attribute. In particular, white-space: nowrap and white-space: pre are the most commonly used values. The first one seems to be what you 're after. share | improve this ...
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Bubble Sort Homework

In class we are doing sorting algorithms and, although I understand them fine when talking about them and writing pseudocode, I am having problems writing actual code for them. ...
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Vertical (rotated) label in Android

I need 2 ways of showing vertical label in Android: 10 Answers 10 ...
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How to show all shared libraries used by executables in Linux?

...t answer (I've up-voted it) but can you explain the "grep -P '\t.*so'" command? According to man, this interprets the pattern as a perl regexp, but my version of grep doesn't support it (man indicates this is a general issue). What bit of the regexp is perl-specific? – Bobby Ja...