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Random row from Linq to Sql
What is the best (and fastest) way to retrieve a random row using Linq to SQL when I have a condition, e.g. some field must be true?
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Easiest way to flip a boolean value?
... it can be helpful to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens.
– OJW
Oct 1 '10 at 12:17
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Generating a Random Number between 1 and 10 Java [duplicate]
I want to generate a number between 1 and 10 in Java.
3 Answers
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Integer division: How do you produce a double?
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@FabricioPH This works in every situation, and identically to the *1.0 solution.
– Vitruvius
Feb 23 '14 at 7:55
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Make xargs execute the command once for each line of input
...: space.txt: No such file or directory
A better solution is to use tr to convert newlines to null (\0) characters, and then use the xargs -0 argument. Here's an example:
echo "file with space.txt" | tr '\n' '\0' | xargs -0 ls
file with space.txt
If you then need to limit the number of calls yo...
How to take a screenshot programmatically on iOS
...what is working everytime!!!! I have a lot of 3d transforms on the scrreen and other solutions did mess in my screenshot. This works like it should. Thanks a lot!
– AndrewK
Jul 23 '15 at 14:04
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Should we pass a shared_ptr by reference or by value?
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This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.
Shortly, there is no reason to pass by value, unless the goal is to sha...
How to prevent XSS with HTML/PHP?
...n saving or outputting client input.
HTML Encoding
htmlspecialchars will convert any "HTML special characters" into their HTML encodings, meaning they will then not be processed as standard HTML. To fix our previous example using this method:
<?php
echo '<div>' . htmlspecialchars($_GET[...
Use of #pragma in C
...ion, override some default, etc. that may or may not apply to all machines and operating systems.
See msdn for more info.
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Is it possible to figure out the parameter type and return type of a lambda?
Given a lambda, is it possible to figure out it's parameter type and return type? If yes, how?
4 Answers
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