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Assignment in an if statement
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The answer below was written years ago and updated over time. As of C# 7, you can use pattern matching:
if (animal is Dog dog)
{
// Use dog here
}
Note that dog is still in scope after the if statement, but isn't definitely assigned.
No, there isn't. It's more idiomatic to...
Explode PHP string by new line
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Best Practice
As mentioned in the comment to the first answer, the best practice is to use the PHP constant PHP_EOL which represents the current system's EOL (End Of Line).
$skuList = explode(PHP_EOL, $_POST['skuList']);
PHP provides a lot...
CAP theorem - Availability and Partition Tolerance
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Consistency means that data is the same across the cluster, so you can read or write from/to any node and get the same data.
Availability means the ability to access the cluster even if a node in the cluster goes down.
Partition tolera...
IntelliJ does not show 'Class' when we right click and select 'New'
We're creating a new project in IntelliJ and must have something wrong because when we right click on a directory, select New and then get the context menu, Java based options are not shown. Currently get things like File, some HTML options, XML options.
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Trigger change() event when setting 's value with val() function
...d best way to trigger change event when setting the value of select element.
5 Answers
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Exit a Script On Error
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Those Bash links are AWESOME! The BashFAQ would be better positioned as BashRecipes.
– Pete Alvin
Dec 29 '19 at 20:55
add a c...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
I mean, aside from its obligating name (the Standard Template Library)...
13 Answers
1...
How to convert int to char with leading zeros?
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How do I start a process from C#?
...here you have limited control over the process, is to use the static Start method on the System.Diagnostics.Process class...
using System.Diagnostics;
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Process.Start("process.exe");
The alternative is to use an instance of the Process class. This allows much more control over the process inclu...
git diff renamed file
...t considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
--- a/a.txt
+++ b/a.txt
@@ -1 +1 @@
-hello
+goodbye
diff --git a/a.txt b/test/a.txt
simila...