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How does the @property decorator work in Python?
...is just syntactic sugar; the syntax:
@property
def foo(self): return self._foo
really means the same thing as
def foo(self): return self._foo
foo = property(foo)
so foo the function is replaced by property(foo), which we saw above is a special object. Then when you use @foo.setter(), what you ...
Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...r? The documentation from "RunningSbt" from sbt's google code site lists commands for running the main class for a project or the tests, but there seem to be no commands for debugging.
...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
... 下载链接：
http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
完整数据（以下关注蓝色标注部分）
1) 存...
Solving “Who owns the Zebra” programmatically?
...all drink different drinks.
# They all smoke different cigarettes.
for vars_ in (colors, nationalities, pets, drinks, cigarettes):
problem.addConstraint(AllDifferentConstraint(), vars_)
# In the middle house they drink milk.
#NOTE: interpret "middle" in a numerical sense (not geometrical)
probl...
How do I remove documents using Node.js Mongoose?
...been updated) that this bypasses middleware - see the bottom of mongoosejs.com/docs/middleware.html - so be careful, using this method can cause serious, hard to track down issues.
– Jed Watson
May 13 '14 at 7:25
...
Check if an image is loaded (no errors) with jQuery
...
Check the complete and naturalWidth properties, in that order.
https://stereochro.me/ideas/detecting-broken-images-js
function IsImageOk(img) {
// During the onload event, IE correctly identifies any images that
// weren’t downloaded as not complete. Others should too. Gecko-b...
Customizing the template within a Directive
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Postgres could not connect to server
...s upgrade.
In my case, it happened when upgrading from 9.3 to 9.4.
See http://www.postgresql.org/docs/9.4/static/upgrading.html
OS X/Homebrew:
Try running postgres -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf ...
What is the difference between `-fpic` and `-fPIC` gcc parameters?
...
http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html
Use -fPIC or -fpic to generate position independent code. Whether to use -fPIC or -fpic to generate position independent code is target-dependent. The -fPIC ...
How to wait for a BackgroundWorker to cancel?
...t _resetEvent = new AutoResetEvent(false);
public Form1()
{
InitializeComponent();
worker.DoWork += worker_DoWork;
}
public void Cancel()
{
worker.CancelAsync();
_resetEvent.WaitOne(); // will block until _resetEvent.Set() call made
}
void worker_DoWork(object sender, DoWorkEvent...