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How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
I've been digging through some parts of the Linux kernel, and found calls like this:
10 Answers
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What C++ Smart Pointer Implementations are available?
...g limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacceptable for holding array allocated objects (new[]). It takes ownership of the pointer so two auto pointers shouldn't contain the same object. Assignment will transfer ownership a...
How do I view the type of a scala expression in IntelliJ
... think this is what I'm looking for, Ctrl + Q only works for variables not all expressions.
– Jon Freedman
Oct 22 '11 at 10:29
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Node.js Error: Cannot find module express
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You need to install Express locally into the context of your application (node_modules folder):
$ npm install express
The reason for this is that applications always look in their local context for any dependencies. The global installatio...
Java 8 List into Map
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Using (statically imported) Seq from the JOOL library (which I'd recommend to anyone using Java 8), you can also improve the brevity with: seq(choices).toMap(Choice::getName)
– lukens
Mar 18 '17 at ...
How to clear https proxy setting of NPM?
... I clear the previous ssl proxy setting of NPM?
well, I search a lot, but all post I got is mainly about how to set proxy in corporate network.
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Java 256-bit AES Password-Based Encryption
I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an error saying that the key is too long. ...
How to avoid explicit 'self' in Python?
...s leads to useful properties, such as: you can't add members which accidentally shadow non-members and thereby break code.
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_fu...
Bootstrap 3 breakpoints and media queries
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Bootstrap 4 Media Queries
// Extra small devices (portrait phones, less than 576px)
// No media query since this is the default in Bootstrap
// Small devices (landscape phones, 576px and up)
@media (min-width: 576px) { ... }
// Medium devices (tablets, 768px a...
How do I get only directories using Get-ChildItem?
I'm using PowerShell 2.0 and I want to pipe out all the subdirectories of a certain path. The following command outputs all files and directories, but I can't figure out how to filter out the files.
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