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Postgres DB Size Command
What is the command to find the size of all the databases?
10 Answers
10
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What is the mouse down selector in CSS?
...view, in CSS I can change the styling of normal view and hover view like this:
4 Answers
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What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
How do I do this
14 Answers
14
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Correct way to quit a Qt program?
How should I quit a Qt Program, e.g when loading a data file, and discovered file corruption, and user need to quit this app or re-initiate data file?
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Why can lambdas be better optimized by the compiler than plain functions?
In his book The C++ Standard Library (Second Edition) Nicolai Josuttis states that lambdas can be better optimized by the compiler than plain functions.
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Send Email Intent
..."text/plain");
Use android.content.Intent.ACTION_SENDTO to get only the list of e-mail clients, with no facebook or other apps. Just the email clients.
Ex:
new Intent(Intent.ACTION_SENDTO);
I wouldn't suggest you get directly to the email app. Let the user choose his favorite email app. Don't c...
Find first element by predicate
...n a lazy stream). To convince you, you can simply do the following test:
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
int a = list.stream()
.peek(num -> System.out.println("will filter " + num))
.filter(x -> x > 5)
.findFirst()
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Creating Multifield Indexes in Mongoose / MongoDB
.... In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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How to pad zeroes to a string?
What is a Pythonic way to pad a numeric string with zeroes to the left, i.e. so the numeric string has a specific length?
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Vim for Windows - What do I type to save and exit from a file?
...trl + W + Q , but it doesn't do anything, but add ^ where the cursor is.
7 Answers
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