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Handling optional parameters in javascript
...y:
function getData (/*id, parameters, callback*/) {
var id = arguments[0], parameters, callback;
if (arguments.length == 2) { // only two arguments supplied
if (Object.prototype.toString.call(arguments[1]) == "[object Function]") {
callback = arguments[1]; // if is a function, set a...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
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120
Yes, if you're having problems with StaleElementReferenceExceptions it's because your tests are ...
Why would I ever use push_back instead of emplace_back?
...d its memory. However, I was basing these changes off my understanding in 2012, during which I thought "emplace_back does everything push_back can do and more, so why would I ever use push_back?", so I also changed the push_back to emplace_back.
Had I instead left the code as using the safer push_b...
How to read if a checkbox is checked in PHP?
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350
If your HTML page looks like this:
<input type="checkbox" name="test" value="value1">
...
HTTP requests and JSON parsing in Python
...eekayzeekay
44.4k1111 gold badges9696 silver badges103103 bronze badges
3
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How large should my recv buffer be when calling recv in the socket library
...old the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is transferring bulk data, then larger buffers can be more efficient - a good rule of thumb is around the same as the kernel receive buffer size of the socket (often something around 256...
How can I listen to the form submit event in javascript?
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510
Why do people always use jQuery when it isn't necessary?
Why can't people just use simple JavaSc...
Get the first element of each tuple in a list in Python [duplicate]
...
Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for...
form with no action and where enter does not reload page
...
answered Nov 30 '09 at 7:08
K PrimeK Prime
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maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...rtifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<!-- copy-dependency plugin -->
<pluginE...