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Given an array of numbers, return array of products of all other numbers (no division)
I was asked this question in a job interview, and I'd like to know how others would solve it. I'm most comfortable with Java, but solutions in other languages are welcome.
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How to identify all stored procedures referring a particular table
I created a table on development environment for testing purpose and there are few sp's which are refreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assumin...
Select N random elements from a List in C#
I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> .
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Increasing the maximum number of TCP/IP connections in Linux
I am programming a server and it seems like my number of connections is being limited since my bandwidth isn't being saturated even when I've set the number of connections to "unlimited".
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What is that “total” in the very first line after ls -l? [closed]
...m does not mention that line, but info coreutils ls does. How comes man ls and info coreutils ls have different information about the same command? Why isn't ls just documented once? Having two different documentations for the same command seems like set up for failure.
– Hello...
How to create PDF files in Python [closed]
I'm working on a project which takes some images from user and then creates a PDF file which contains all of these images.
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How to get unique values in an array
...hat uses no libraries. This requires two new prototype functions, contains and unique
Array.prototype.contains = function(v) {
for (var i = 0; i < this.length; i++) {
if (this[i] === v) return true;
}
return false;
};
Array.prototype.unique = function() {
var arr = [];
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How do I capitalize first letter of first name and last name in C#?
Is there an easy way to capitalize the first letter of a string and lower the rest of it? Is there a built in method or do I need to make my own?
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write a shell script to ssh to a remote machine and execute commands
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There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting?
You can do this with ssh, for example:
#!/bin/ba...
Copy folder recursively in node.js
Is there an easier way to copy a folder and all its content without manually doing a sequence of fs.readir , fs.readfile , fs.writefile recursively ?
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