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Makefiles with source files in different directories
... allowing you to build them independently. Further, have a Makefile in the root directory of the project which builds everything. The "root" Makefile would look something like the following:
all:
+$(MAKE) -C part1
+$(MAKE) -C part2
+$(MAKE) -C part3
Since each line in a make target ...
Install NPM into home directory with distribution nodejs package (Ubuntu)
...ges:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages:
$ NPM_PACKAGES="$HOME/.npm-packages"
$ mkdir -p "$NPM_PACKAGES"
Set NPM to use this directory for its global package installs:
$ echo "prefix = $NPM_PACKAGES" >>...
Find all storage devices attached to a Linux machine [closed]
...setups such as EC2 xvda devices.
Here is a dump for a m1.large instance:
root@ip-10-126-247-82:~# fdisk -l
Disk /dev/xvda1: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors/track, 1305 cylinders, total 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 byt...
What's the purpose of META-INF?
...clude with your JAR should be placed in some other sub-directory or at the root of the JAR itself.
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Objective-C: difference between id and void *
...and any of the methods in NSObject (ie, all objects in the normal NSObject root class hierarchy), and get a warning for anything else, which is much better than no warning and a runtime crash.
– Peter N Lewis
May 4 '17 at 23:32
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Xcode — what is $(SRCROOT)?
... need to update some paths. The library search paths all start with $(SRCROOT) . What does that mean?
3 Answers
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GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
...会发现图片不会动，只会展示静态图片。那么问题来了，如何展示动图/动画效果呢？有2种思路参考这里。
当然，也可以使用本文介绍的这款拓展~
Gif 动画扩展，可点击，可设置透明背景，效果如下：
参考代码块：
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How do I request a file but not save it with Wget? [closed]
... to make http requests to a fresh web server. I am doing this to warm the MySQL cache. I do not want to save the files after they are served.
...
How to get scrollbar position with Javascript?
... get downright ugly.
See the following code example:
var options = {
root: document.querySelector('#scrollArea'),
rootMargin: '0px',
threshold: 1.0
}
var observer = new IntersectionObserver(callback, options);
var target = document.querySelector('#listItem');
observer.observe(target);
...
How do you find all subclasses of a given class in Java?
...";
/** Doclet entry point. */
public static boolean start(RootDoc root) throws Exception {
try {
ClassDoc topClassDoc = root.classNamed(TOP_CLASS_NAME);
for (ClassDoc classDoc : root.classes()) {
if (classDoc.subclassOf(topClassDoc)) {...