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How to write a UTF-8 file with Java?
...riter =
new OutputStreamWriter(new FileOutputStream(PROPERTIES_FILE), StandardCharsets.UTF_8))
// do stuff
}
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Rails: What's a good way to validate links (URLs)?
I was wondering how I would best validate URLs in Rails. I was thinking of using a regular expression, but am not sure if this is the best practice.
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PHP/MySQL insert row then get 'id'
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$link = mysqli_connect('127.0.0.1', 'my_user', 'my_pass', 'my_db');
mysqli_query($link, "INSERT INTO mytable (1, 2, 3, 'blah')");
$id = mysqli_insert_id($link);
See mysqli_insert_id().
Whatever you do, don't insert and then do a "SELECT...
What are the use-cases for Web Workers? [closed]
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PHP session lost after redirect
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First, carry out these usual checks:
Make sure session_start(); is called before any sessions are being called. So a safe bet would be to put it at the beginning of your page, immediately after the opening <?php declaration before anything else. Also ensure there are no white...
Check if two unordered lists are equal [duplicate]
...hat appear identical but are not evaluating as equal (as I did), check the __hash__ function of those objects to verify that equal objects have equal hashes. Mine did not.
– Paul Wintz
Dec 16 '19 at 12:01
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Loading and parsing a JSON file with multiple JSON objects
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@Pi_: you'll have a dictionary, so just access the fields as keys: data = json.loads(line); print data[u'votes']
– Martijn Pieters♦
Sep 16 '12 at 23:26
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“The breakpoint will not currently be hit. The source code is different from the original version.”
... ASP.NET Files - as mentioned - but also C:\Windows\Microsoft.NET\Framework_64_\v4.0.30319\Temporary ASP.NET Files. I use Everything to quickly search for those copies.
– Oliver
Jun 19 '13 at 9:14
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Rotating a two-dimensional array in Python
... [4, 5, 6],
[7, 8, 9]
]
def rotated(array_2d):
list_of_tuples = zip(*array_2d[::-1])
return [list(elem) for elem in list_of_tuples]
# return map(list, list_of_tuples)
print(list(rotated(original)))
# [[7, 4, 1], [8, 5, 2], [9, 6, 3]]
The list comp or...
UITableView set to static cells. Is it possible to hide some of the cells programmatically?
UITableView set to static cells.
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