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How to clear APC cache entries?

...on apc_clear_cache. Calling apc_clear_cache() will clear the system cache and calling apc_clear_cache('user') will clear the user cache. share | improve this answer | follow...
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How to convert a char array back to a string?

... No, that solution is absolutely correct and very minimal. Note however, that this is a very unusual situation: Because String is handled specially in Java, even "foo" is actually a String. So the need for splitting a String into individual chars and join them bac...
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Add a new element to an array without specifying the index in Bash

...mb Guy points out, it's important to note whether the array starts at zero and is sequential. Since you can make assignments to and unset non-contiguous indices ${#array[@]} is not always the next item at the end of the array. $ array=(a b c d e f g h) $ array[42]="i" $ unset array[2] $ unset array...
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How to find the installed pandas version

I am having trouble with some of pandas functionalities. How do I check what is my installation version? 6 Answers ...
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What does [nyae] mean in Zsh?

I run the following command unsuccessfully 3 Answers 3 ...
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'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine

... I downloaded these components and they did not work for me, I had to download the Microsoft Access Database Engine 2010 Redistributable from here: microsoft.com/en-in/download/details.aspx?id=13255 I'm sure that's because I'm using MS Office 2013. Thanks ...
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Mimicking sets in JavaScript?

... you can use the Set object built into ES6. It has very nice capabilities and can be used as is right in your environment. For many simple things in an ES5 environment, using an Object works very well. If obj is your object and A is a variable that has the value you want to operate on in the set,...
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How to create a trie in Python

I'm interested in tries and DAWGs (direct acyclic word graph) and I've been reading a lot about them but I don't understand what should the output trie or DAWG file look like. ...
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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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Convert JSON string to dict using Python

...ittle bit confused with JSON in Python. To me, it seems like a dictionary, and for that reason I'm trying to do that: 4 Ans...