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手机蓝牙控制台灯：HC-05 开关、无级调光、定时关灯（附 .aia 源码与单片机...
...);
}
void loop() {
while (bt.available()) {
char c = bt.read();
if (c == '\n') {
line.trim();
if (line.startsWith("L:")) {
int level = constrain(line.substring(2).toInt(), 0, 100);
analogWrite(LAMP, map(level, 0, 100, 0, 255));
bt.print("OK:");
...
How to copy yanked text to VI command prompt
I want to know if there is any way by which I can paste yanked text to the command window. For instance if I have yanked a word and I want to grep it in some location I can't simply paste the word using 'p'. However if I copy it to clipboard, Shift-Insert will paste the same thing.
...
How do I clear this setInterval inside a function?
...etInterval method returns a handle that you can use to clear the interval. If you want the function to return it, you just return the result of the method call:
function intervalTrigger() {
return window.setInterval( function() {
if (timedCount >= markers.length) {
timedCount = 0;
...
Why java classes do not inherit annotations from implemented interfaces?
...notate the interface methods so Guice could select the right methods. Even if the annotation type is annotated with Inherited annotation implementing class doesn't inherit the annotation as stated in Inherited's java doc:
...
How can I get the corresponding table header (th) from a table cell (td)?
...').find('> tr > th:eq(' + $td.index() + ')');
Or a little bit simplified
var $th = $td.closest('table').find('th').eq($td.index());
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TypeError: 'NoneType' object is not iterable in Python
... return empty list at least. This exception never helped anyone in real life other than making us insert few ugly if data is not None: kind of handling.
– nehem
Sep 1 '17 at 6:59
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How to get a complete list of object's methods and attributes?
...rns the keys in the __dict__ attribute, i.e. all the attributes accessible if the __getattr__ method is not reimplemented.
For the second question, it does not really make sense. Actually, methods are callable attributes, nothing more. You could though filter callable attributes, and, using the ins...
How to get Url Hash (#) from server side
...hash" so we can find it easily later.
On the server you can use this value if you need to do something with it. You can even change it if you need to.
On page load on the client, check the value of this this hidden field. You will want to find it by the DIV it is contained in as the auto-generated I...
Android: Go back to previous activity
...tivity stack. Whenever you start a new activity with an intent you can specify an intent flag like FLAG_ACTIVITY_REORDER_TO_FRONT or FLAG_ACTIVITY_PREVIOUS_IS_TOP. You can use this to shuffle between the activities in your application. Haven't used them much though. Have a look at the flags here: ht...
Optional Parameters with C++ Macros
...
This is pretty cool, but I dont think it would work if I just did PRINT_STRING. In that case there wouldnt be a default print out (and that's actually the case I want to utilize). Still +1 for really cool.
– Cenoc
Jun 15 '10 at 19:53
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