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Converting file size in bytes to human-readable string
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Here's one I wrote:
function humanFileSize(bytes, si=false, dp=1) {
const thresh = si ? 1000 : 1024;
if (Math.abs(bytes) < thresh) {
return bytes + ' B';
}
const units = si
? ['kB', 'MB', 'GB', 'TB...
Why does Java have transient fields?
...ou may have fields that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage implements Serializable
{...
How to prevent ifelse() from turning Date objects into numeric objects
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Is there a way to have one of the arguments of the if_else be NA? I've attempted the logical NA_ options and nothing is sticking and I do not believe there is an NA_double_
– roarkz
Jun 27 '17 at 13:28
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Most efficient method to groupby on an array of objects
...]] || []).push(x);
return rv;
}, {});
};
console.log(groupBy(['one', 'two', 'three'], 'length'));
// => {3: ["one", "two"], 5: ["three"]}
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git - Your branch is ahead of 'origin/master' by 1 commit
...ng (your branch is ahead by 1 commit) means that your local repository has one commit that hasn't been pushed yet.
In other words: add and commit are local operations, push, pull and fetch are operations that interact with a remote.
Since there seems to be an official source control workflow in pl...
Correct approach to global logging in Golang
...e logger. It's probably a good idea to create a logger for each bigger component of your project. For example, if your project uses a SMTP service for sending mails, creating a separate logger for the mail service sounds like a good idea so that you can filter and turn off the output separately.
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
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On Xcode 6.0.1 the problem is gone. Apple has changed the way of Ad Hoc distribution for developers. Now you can't make Ad Hoc distribution builds using Development Certificate. You need a Distribution Certificate with "Ad Hoc" provisioning profile (not De...
How to make a SIMPLE C++ Makefile
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Since this is for Unix, the executables don't have any extensions.
One thing to note is that root-config is a utility which provides the right compilation and linking flags; and the right libraries for building applications against root. That's just a detail related to the original audience ...
.htaccess mod_rewrite - how to exclude directory from rewrite rule
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there is only one thing you should have in mind: activating .htaccess files (setting AllowOverride to anything else than None in apache config) forces apache to search for .htaccess on every request. so if you have a high frequented websit...
How do I save a String to a text file using Java?
...s statement" which will automatically close your PrintStream when you are done with it (ie exit the block) like so:
try (PrintWriter out = new PrintWriter("filename.txt")) {
out.println(text);
}
You will still need to explicitly throw the java.io.FileNotFoundException as before.
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