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Run PHP Task Asynchronously
I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...
What is the best way to paginate results in SQL Server
...n rows 1-19 of the original query. The cool thing here, especially for web apps, is that you don't have to keep any state, except the row numbers to be returned.
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How to add a Timeout to Console.ReadLine()?
I have a console app in which I want to give the user x seconds to respond to the prompt. If no input is made after a certain period of time, program logic should continue. We assume a timeout means empty response.
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Difference between System.DateTime.Now and System.DateTime.Today
...aces in this world (such as Brazil) where the "spring-forward" transition happens exactly at Midnight. The clocks go from 23:59 to 01:00. This means that the value you get for DateTime.Today on that date, does not exist! Even if you use DateTimeOffset.Now.Date, you are getting the same result, an...
How to include file in a bash shell script
...own, similar, but a bit different version of "source" which may break your app.
– Jacob Korba
Jul 13 at 13:45
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What is the difference between #import and #include in Objective-C?
...s a binary representation of the module and makes its API available to the application directly. Preprocessor definitions that precede the import declaration have no impact on the API provided... because the module itself was compiled as a separate, standalone module. Additionally, any linker flags ...
Can Selenium Webdriver open browser windows silently in background?
...g Selenium web driver with Python,you can use PyVirtualDisplay, a Python wrapper for Xvfb and Xephyr.
PyVirtualDisplay needs Xvfb as a dependency. On Ubuntu, first install Xvfb:
sudo apt-get install xvfb
then install PyVirtualDisplay from Pypi:
pip install pyvirtualdisplay
Sample Selenium scr...
How do I enable EF migrations for multiple contexts to separate databases?
...med Configuration.cs its own namespace. If you do not, EF will attempt to apply migrations to the wrong context.
Here are the specific steps that work well for me.
If Migrations are messed up and you want to create a new "baseline":
Delete any existing .cs files in the Migrations folder
In SSMS...
When to use ref and when it is not necessary in C#
...that in most places where they use out parameters it either (a) They are wrapping a Win32 API, or (b) it was early days, and the C++ programmers were making decisions.
– Michael Meadows
Dec 11 '14 at 18:36
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...a script which outputs the table of the first 256 bytes and their reverse mapping. Yes, you're back to writing the reverse function, but now in your favourite scripting language, and it can be as nasty as you want -- you're going to throw it away as soon as it's done and you ran it once. Have the sc...