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Number of lines in a file in Java
I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file
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What does [].forEach.call() do in JavaScript?
I was looking at some snippets of code, and I found multiple elements calling a function over a node list with a forEach applied to an empty array.
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All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
7 Answers
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Cycles in family tree software
I am the developer of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors.
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Is memcached a dinosaur in comparison to Redis? [closed]
I have worked quite a bit with memcached the last weeks and just found out about Redis. When I read this part of their readme, I suddenly got a warm, cozy feeling in my stomach:
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How to manage a redirect request after a jQuery Ajax call
I'm using $.post() to call a servlet using Ajax and then using the resulting HTML fragment to replace a div element in the user's current page. However, if the session times out, the server sends a redirect directive to send the user to the login page. In this case, jQuery is replacing the div ...
Why does one often see “null != variable” instead of “variable != null” in C#?
In c#, is there any difference in the excecution speed for the order in which you state the condition?
9 Answers
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Some built-in to pad a list in python
I have a list of size < N and I want to pad it up to the size N with a value.
10 Answers
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Can one do a for each loop in java in reverse order?
I need to run through a List in reverse order using Java.
13 Answers
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Update a table using JOIN in SQL Server?
I want to update a column in a table making a join on other table e.g.:
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