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How to convert an int value to string in Go?
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@luke it comes from the C heritage where the entire machine might have 256K memory; usability was sacrificed to fit more functionality in. The creators of Go are all deeply embedded in that heritage and feel entirely comfortable with these...
Check string for palindrome
...Stream provides all indexes til strings half length and then a comparision from the start and from the end is done.
public static void main(String[] args) {
for (String testStr : Arrays.asList("testset", "none", "andna", "haah", "habh", "haaah")) {
System.out.println("testing " + testSt...
When to use setAttribute vs .attribute= in JavaScript?
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From Javascript: The Definitive Guide, it clarifies things. It notes that HTMLElement objects of a HTML doc define JS properties that correspond to all standard HTML attributes.
So you only need to use setAttribute for non-s...
The character encoding of the HTML document was not declared
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You have to change the file from .html to .php.
and add this following line
header('Content-Type: text/html; charset=utf-8');
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VBoxManage: error: Failed to create the host-only adapter
...button to let Oracle (VirtualBox) load.
MacOS by default can block kexts from loading. You must click the "allow" button before executing the VirtualBoxStartup.sh script.
Then run:
sudo "/Library/Application Support/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh" restart like the answer above.
(...
How to check certificate name and alias in keystore files?
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You can run from Java code.
try {
File file = new File(keystore location);
InputStream is = new FileInputStream(file);
KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
String password...
What is the Gradle artifact dependency graph command?
...ted in. Typically, you'd cd into the project directory and run the command from there.
– Peter Niederwieser
Sep 5 '12 at 21:22
9
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Printing the last column of a line in a file
...ore lines in file and so the pipe to grep is never closed.
If you omit -f from tail the output is shown immediately:
tail file | grep A1 | awk '{print $NF}'
@EdMorton is right of course. Awk can search for A1 as well, which shortens the command line to
tail file | awk '/A1/ {print $NF}'
or...
What is the >>>= operator in C?
...1P1 ]
The first thing I notice is that we are using the ternary operator from the use of ?. So the subexpression:
0xFULL ? '\0' : -1
is saying "if 0xFULL is non-zero, return '\0', otherwise -1. 0xFULL is a hexadecimal literal with the unsigned long-long suffix - meaning it's a hexadecimal liter...
What's the point of 'meta viewport user-scalable=no' in the Google Maps API
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On many devices (such as the iPhone), it prevents the user from using the browser's zoom. If you have a map and the browser does the zooming, then the user will see a big ol' pixelated image with huge pixelated labels. The idea is that the user should use the zooming provided by Go...