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Can't install RMagick 2.13.1. Can't find MagickWand.h.
...://superuser.com/questions/361435/i-have-compiled-imagemagick-on-my-centos-and-rmagick-wont-install
I exported the imagemagick path by adding
$ export PKG_CONFIG_PATH="/opt/local/lib/pkgconfig:$PKG_CONFIG_PATH"
to my ~/.bash_profile, sourcing the new profile, then running:
gem install rmagick
...
ViewPager with previous and next page boundaries
I'm designing a view with multiple pages. I want edges of previous and next pages to be show like below and implement a 2 finger swipe to switch between pages.
...
How to split a file into equal parts, without breaking individual lines? [duplicate]
...equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole lines (it's no problem if one of the files is a little larger or smaller)? I know I c...
How to measure elapsed time in Python?
What I want is to start counting time somewhere in my code and then get the passed time, to measure the time it took to execute few function. I think I'm using the timeit module wrong, but the docs are just confusing for me.
...
How to make links in a TextView clickable?
...attributes on my TextView to match what was in the demo.
<TextView
android:id="@+id/text2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/txtCredits"/>
That solved it. Pretty difficult to uncover and fix.
Important: Don't forg...
Unit Testing C Code [closed]
...rk in C is Check; a list of unit testing frameworks in C can be found here and is reproduced below. Depending on how many standard library functions your runtime has, you may or not be able to use one of those.
AceUnit
AceUnit (Advanced C and Embedded Unit) bills itself as a comfortable C code uni...
Writing a list to a file with Python
...use pickle or json so that you don't have to worry about the serialization and deserialization?
– Jason Baker
May 22 '09 at 18:37
90
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App Inventor 2 上传文件和图片到服务器教程 · App Inventor 2 中文网
...
const fs = require('node:fs');
const path = require('node:path');
const {randomUUID} = require('node:crypto');
const app = express();
const dir = path.resolve(process.env.UPLOAD_DIR || path.join(__dirname, 'uploads'));
fs.mkdirSync(dir, {recursive: true});
const form = multer({limits: {fileSize: 20...
What does “for” attribute do in HTML tag?
...
The <label> tag allows you to click on the label, and it will be treated like clicking on the associated input element. There are two ways to create this association:
One way is to wrap the label element around the input element:
<label>Input here:
<input type...
Does the default constructor initialize built-in types?
...The behavior of () initializer is different in some respects between C++98 and C++03, but not in this case. For the above class C it will be the same: () initializer performs zero initialization of C::x.
Another example of initialization that is performed without involving constructor is, of course...