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How do I efficiently iterate over each entry in a Java Map?
...
Benchmark Mode Cnt Score Error Units
test3_UsingForEachAndJava8 avgt 10 0.308 ± 0.021 µs/op
test10_UsingEclipseMap avgt 10 0.309 ± 0.009 µs/op
test1_UsingWhileAndMapEntry avgt 10 0.380 ± 0.014 µs/op
test6_UsingForAndIte...
Uncaught SyntaxError: Unexpected token :
...
To add to @andy_magoon, in my case, I had a script tag that was supposed to serve up javascript, but because the request was redirected to an HTML page (its not important why it was redirected), which begins with <!DOCTYPE html>, whic...
How to enter a multi-line command
...l allow line continuation directly:
$x=1..5
$x[
0,3
] | % {
"Number: $_"
}
Similar to the | a comma will also work in some contexts:
1,
2
Keep in mind, though, similar to JavaScript's Automatic Semicolon Insertion, there are some things that are similarly broken because the line break occu...
CORS - How do 'preflight' an httprequest?
...d to detect such a request, and add the "Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN'] header, after detecting that this was a cross-origin XHR.
PHP Code sample:
if (!empty($_SERVER['HTTP_ORIGIN'])) {
// Uh oh, this XHR comes from outer space...
// Use this opportunity to filte...
Can Selenium interact with an existing browser session?
...open a driver
driver = webdriver.Firefox() #python
extract to session_id and _url from driver object.
url = driver.command_executor._url #"http://127.0.0.1:60622/hub"
session_id = driver.session_id #'4e167f26-dc1d-4f51-a207-f761eaf73c31'
Use these two parameter to connect...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
... declared in your code using the u prefix to strings. E.g.
>>> my_u = u'my ünicôdé strįng'
>>> type(my_u)
<type 'unicode'>
Unicode strings may also come from file, databases and network modules. When this happens, you don't need to worry about the encoding.
Gotchas
C...
How to decode HTML entities using jQuery?
... $("<div/>").html('<img src="http://www.google.com/images/logos/ps_logo2.png" onload=alert(1337)>'). In Firefox or Safari it fires the alert.
– Mike Samuel
Mar 16 '11 at 20:37
...
How to limit UITableView row reordering to a section
...s answer for you lazy people:
Swift 3, 4 & 5
override func tableView(_ tableView: UITableView, targetIndexPathForMoveFromRowAt sourceIndexPath: IndexPath, toProposedIndexPath proposedDestinationIndexPath: IndexPath) -> IndexPath {
if sourceIndexPath.section != proposedDestinationIndexPa...
How does free know how much to free?
...
FYI, for example BSD has malloc_size() to reliably access the block size from an malloc()ed pointer. But there's no reliable, portable way.
– laalto
Oct 5 '09 at 7:53
...
Why is Go so slow (compared to Java)?
... as new libraries, frameworks and tools pop up.
– if __name__ is None
May 30 '13 at 23:37
1
@user...