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Add up a column of numbers at the Unix shell
...lable on some systems! awk, on the other hand is (I believe) required for POSIX compliance.
– vktec
Jan 1 '17 at 20:23
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Open file dialog and select a file using WPF controls and C#
...(object sender, RoutedEventArgs e)
{
// Create OpenFileDialog
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
// Set filter for file extension and default file extension
dlg.DefaultExt = ".png";
dlg.Filter = "JPEG Files (*.jpeg)|*.jpeg|PNG Files (*...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...ou will have typically have 1-8 cache locations for all of these. Thus almost all of those accesses will trigger an L1 cache eviction, and fetching of data from a slower cache or main memory.
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How to upgrade Git to latest version on macOS?
I just bought a new Mac with OS X Lion and I checked in the Terminal what version of git is installed by default. I got the answer
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What is path of JDK on Mac ? [duplicate]
...u'll see that you can use this command to reliably start a Java program on OS X (java_home --exec ...), with the ability to explicitly specify the desired Java version and architecture, or even request the user to install it if missing.
A more pedestrian approach, but one which will help you trace ...
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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In Windows Azure: What are web role, worker role and VM role?
... work on contains a web role: it's a simple web application. I needed to host the application in Windows Azure, so I created a web role. I actually want to know what these roles are for. What is their significance coding wise or storage wise?
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How to redirect both stdout and stderr to a file [duplicate]
... answered Sep 23 '11 at 10:14
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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...
How to set date format in HTML date input tag?
I am wondering whether it is possible to set the date format in the html <input type="date"></input> tag... Currently it is yyyy-mm-dd, while I need it in the dd-mm-yyyy format.
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