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C# Convert List to Dictionary
This may seem an odd thing to want to do but ignoring that, is there a nice concise way of converting a List to Dictionary where each Key Value Pair in the Dictionary is just each string in the List. i.e.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
I want to create a database which does not exist through JDBC. Unlike MySQL, PostgreSQL does not support create if not exists syntax. What is the best way to accomplish this?
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Comparing two files in linux terminal
...files called "a.txt" and "b.txt" both have a list of words. Now I want to check which words are extra in "a.txt" and are not in "b.txt" .
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Exception thrown in NSOrderedSet generated accessors
...names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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Is there a VB.NET equivalent for C#'s '??' operator?
Is there a VB.NET equivalent for C#'s ?? operator?
6 Answers
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Input type=password, don't let browser remember the password
I remember seeing a way to have an <input type="password" /> such that the browser will not prompt the user to save the password. But I'm drawing a blank. Is there an HTML attribute or some JavaScript trick that will do this?
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What is database pooling?
I just wanted to know the concept of database connection pooling and how it is achieved.
6 Answers
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What is the 'instanceof' operator used for in Java?
What is the instanceof operator used for? I've seen stuff like
17 Answers
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How can I list all collections in the MongoDB shell?
...ngo/app --eval "show collections"
MongoDB shell version: 3.2.10
connecting to: prodmongo/app
2016-10-26T19:34:34.886-0400 E QUERY [thread1] SyntaxError: missing ; before statement @(shell eval):1:5
$ mongo prodmongo/app --eval "db.getCollectionNames()"
MongoDB shell version: 3.2.10
connecting to...
How to use XPath contains() here?
I'm trying to learn XPath. I looked at the other contains() examples around here, but nothing that uses an AND operator. I can't get this to work:
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