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Why is printing to stdout so slow? Can it be sped up?
...vely as fast as simply dumping to the garbage with /dev/null?
Congratulations, you have just discovered the importance of I/O buffering. :-)
The disk appears to be faster, because it is highly buffered: all Python's write() calls are returning before anything is actually written to physical disk....
File Upload ASP.NET MVC 3.0
(Preface: this question is about ASP.NET MVC 3.0 which was released in 2011 , it is not about ASP.NET Core 3.0 which was released in 2019)
...
What is this Javascript “require”?
... part of the standard JavaScript API. But in Node.js, it's a built-in function with a special purpose: to load modules.
Modules are a way to split an application into separate files instead of having all of your application in one file. This concept is also present in other languages with minor dif...
Attach IntelliJ IDEA debugger to a running Java process
...
Yes! Here is how you set it up.
Run Configuration
Create a Remote run configuration:
Run -> Edit Configurations...
Click the "+" in the upper left
Select the "Remote" option in the left-most pane
Choose a name (I named mine "remote-debugging")
Click "OK" to save:
...
Git branch strategy for small dev team [closed]
...t always exist, master and develop.
master represents the most stable version of your project and you only ever deploy to production from this branch.
develop contains changes that are in progress and may not necessarily be ready for production.
From the develop branch, you create topic branches ...
iPhone - Grand Central Dispatch main thread
...ignal that some background processing has finished e.g.
- (void)doCalculation
{
//you can use any string instead "com.mycompany.myqueue"
dispatch_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0);
dispatch_async(backgroundQueue, ^{
int result = <som...
How do I decode HTML entities in Swift?
...
This answer was last revised for Swift 5.2 and iOS 13.4 SDK.
There's no straightforward way to do that, but you can use NSAttributedString magic to make this process as painless as possible (be warned that this method will strip all HTML tags as well).
Remember to ini...
what's data-reactid attribute in html?
...fy its components within the DOM.
This is important because React applications can be rendered at the server as well as the client. Internally React builds up a representation of references to the DOM nodes that make up your application (simplified version is below).
{
id: '.1oqi7occu80',
node...
opengl: glFlush() vs. glFinish()
...se commands exist since the early days of OpenGL. glFlush ensures that previous OpenGL commands must complete in finite time (OpenGL 2.1 specs, page 245). If you draw directly to the front buffer, this shall ensure that the OpenGL drivers starts drawing without too much delay. You could think of a c...
Are “while(true)” loops so bad? [closed]
...- but equally I would normally at least look for an alternative.
In situations where it's the first thing I write, I almost always at least try to refactor it into something clearer. Sometimes it can't be helped (or the alternative is to have a bool variable which does nothing meaningful except ind...