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Why is reading lines from stdin much slower in C++ than Python?
...his to the top of your main, you should see much better performance:
std::ios_base::sync_with_stdio(false);
Normally, when an input stream is buffered, instead of reading one character at a time, the stream will be read in larger chunks. This reduces the number of system calls, which are typically...
How do function pointers in C work?
...xt of some String class to be "hello".
By using function pointers, it is possible to emulate methods in C.
How is this accomplished?
The String class is actually a struct with a bunch of function pointers which act as a way to simulate methods. The following is a partial declaration of the String...
Which iomanip manipulators are 'sticky'?
...ode the following manipulators return an object rather than a stream:
setiosflags
resetiosflags
setbase
setfill
setprecision
setw
This is a common technique to apply an operation to only the next object that is applied to the stream. Unfortunately this does not preclude them from being sticky. Te...
Learning assembly [closed]
.... I saw there are a zillion different flavors of assembly, so, for the purposes I mention, how should I start? What kind of assembly should I learn? I want to learn by first doing some easy programs (i.e. a calculator), but the goal itself will be to get accostumed with it so I can understand the co...
Build fat static library (device + simulator) using Xcode and SDK 4+
...is work nicely with Archive mode.
RECENT CHANGES:
1. Added support for iOS 10.x (while maintaining support for older platforms)
Info on how to use this script with a project-embedded-in-another-project (although I highly recommend NOT doing that, ever - Apple has a couple of show-stopper bugs i...
Auto-fit TextView for Android
... + " text:" + text + " maxLines:" + maxLines);
}
});
}
I am posting code here at per android developer's request:
Final effect:
Sample Layout file:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height...
那些微信公众大号是如何赚钱的? - 资讯 - 清泛网 - 专注C/C++及内核技术
...入那蓝天白云,永远不会消逝。
微信公众大号变现养成系统
起步要早、内容要好、盈利模式要对路
“我的公众号招一个美术设计,你有兴趣吗?”“不好意思,我刚辞职自己做了个公众号。”如今的微信公众号与两年前已大...
How does HTTP file upload work?
...ct a file and submit your form (I've truncated the headers for brevity):
POST /upload?upload_progress_id=12344 HTTP/1.1
Host: localhost:3000
Content-Length: 1325
Origin: http://localhost:3000
... other headers ...
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryePkpFF7tjBAqx29L
-...
Should CSS always preceed Javascript?
... that you have scripts located in the <head> of your document (as opposed to the end of the <body>). There are various arguments regarding why you might link to your scripts in the <head> versus the end of the document, but that's outside the scope of this answer. This is strictl...
Elegant setup of Python logging in Django
...1,
'disable_existing_loggers': False,
'formatters': {
'verbose': {
'format': '%(levelname)s %(asctime)s %(module)s %(process)d %(thread)d %(message)s'
},
'simple': {
'format': '%(levelname)s %(message)s'
},
},
'filters': {
...
