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Use dynamic variable names in JavaScript
In PHP you can do amazing/horrendous things like this:
17 Answers
17
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GraphViz - How to connect subgraphs?
In the DOT language for GraphViz , I'm trying to represent a dependency diagram. I need to be able to have nodes inside a container and to be able to make nodes and/or containers dependent on other nodes and/or containers.
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How can I check if a directory exists in a Bash shell script?
What command can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
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When to use a linked list over an array/array list?
... will be in the list. With arrays, you may need to re-declare and copy memory if the array grows too big
you don't need random access to any elements
you want to be able to insert items in the middle of the list (such as a priority queue)
Arrays are preferable when:
you need indexed/random acce...
Java Class that implements Map and keeps insertion order?
I'm looking for a class in java that has key-value association, but without using hashes. Here is what I'm currently doing:
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Handling optional parameters in javascript
I have a static javascript function that can take 1, 2 or 3 parameters:
12 Answers
12
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(Built-in) way in JavaScript to check if a string is a valid number
...able (including a string) is a number, check if it is not a number:
This works regardless of whether the variable content is a string or number.
isNaN(num) // returns true if the variable does NOT contain a valid number
Examples
isNaN(123) // false
isNaN('123') // false
is...
Disable, but not uninstall Resharper 4.x onwards
Any ideas on how to disable, but not uninstall Resharper 4.x or above?
10 Answers
10
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moment.js - UTC gives wrong date
Why does moment.js UTC always show the wrong date. For example from chrome's developer console:
2 Answers
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How do I get into a non-password protected Java keystore or change the password?
I'm trying to import a trusted certificated into the Java cacerts keystore , but I have a problem. I tried to list existing trusted certificates and it seems that the keystore isn't password protected.
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