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Adding information to an exception?
...bar('arg1')
Traceback (most recent call last):
File "test.py", line 13, in <module>
bar('arg1')
File "test.py", line 11, in bar
raise type(e)(e.message + ' happens at %s' % arg1)
IOError: Stuff happens at arg1
Update 1
Here's a slight modification that preserves the original...
Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
... me. thanks
– garish
Aug 10 '17 at 13:49
1
If you wanted to keep it as a single object instead of...
物联网入门 · App Inventor 2 中文网
...初始文字为 Status: ；再加入 ListView，重命名为 ListBLE。
3. 导入 BluetoothLE 扩展
下载 BluetoothLE 扩展，从“扩展”面板导入，然后把 BluetoothLE 拖到预览区中。它是非可视组件，会出现在屏幕下方。
4. 开始扫描
在 当 ButtonScan.被...
How to select html nodes by ID with jquery when the id contains a dot?
...esktop browsers support it.
The same method does seem to work in jQuery 1.3.2, though I haven't tested it thoroughly; quickExpr doesn't pick it up, but the more involved selector parser seems to get it right:
$('#SearchBag\\.CompanyName');
...
Why do we need tuples in Python (or any immutable data type)?
...e:
$ python -mtimeit '["fee", "fie", "fo", "fum"]'
1000000 loops, best of 3: 0.432 usec per loop
$ python -mtimeit '("fee", "fie", "fo", "fum")'
10000000 loops, best of 3: 0.0563 usec per loop
share
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...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...pened to stumble on a nicer way of implementing this functionality:
Swift 3.2 and newer
extension Collection {
/// Returns the element at the specified index if it is within bounds, otherwise nil.
subscript (safe index: Index) -> Element? {
return indices.contains(index) ? self...
Get value of dynamically chosen class constant in PHP
...
Brad
140k3737 gold badges282282 silver badges452452 bronze badges
answered May 27 '11 at 2:20
Dan SimonDan Sim...
Why aren't python nested functions called closures?
...
403
A closure occurs when a function has access to a local variable from an enclosing scope that has...
Pandas every nth row
... edited Oct 25 '18 at 5:05
user3483203
43.6k88 gold badges3939 silver badges7373 bronze badges
answered Jul 31 '14 at 11:25
...
github markdown colspan
...
| One | Two | Three | Four | Five | Six
| -
| Span <td colspan=3>triple <td colspan=2>double
So you can omit closing </td> for speed, оr can leave for consistency.
Result from http://markdown-here.com/livedemo.html :
Works in Jupyter Markdown.
Update:
As of 2019 y...