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Preferred Java way to ping an HTTP URL for availability
...on.getResponseCode();
if (responseCode != 200) {
// Not OK.
}
// < 100 is undetermined.
// 1nn is informal (shouldn't happen on a GET/HEAD)
// 2nn is success
// 3nn is redirect
// 4nn is client error
// 5nn is server error
For more detail about response status codes see RFC 2616 section 10...
How do I remove duplicate items from an array in Perl?
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answered Aug 11 '08 at 10:16
Greg HewgillGreg Hewgill
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Insert results of a stored procedure into a temporary table
...et a linked server...
– Ferdeen
Aug 10 '09 at 12:18
10
You don't need a linked server, but you wo...
LINQ Orderby Descending Query
...our answer as correct once the time limit is up :)
– 109221793
Mar 17 '11 at 20:40
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Finding what methods a Python object has
...as above and ignores exceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar', 'baz'])
def get_methods(object, spacing=20):
methodList = []
for method_name in dir(object):
try:
if callable(getattr(object, meth...
Count how many records are in a CSV Python?
...eters
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1
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Is the ternary operator faster than an “if” condition in Java [duplicate]
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106
Does it matter which I use?
Yes! The second is vastly more readable. You are trading one ...
Django: How to manage development and production settings?
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110
The DJANGO_SETTINGS_MODULE environment variable controls which settings file Django will load. ...
RGB to hex and hex to RGB
...epresentation. Likewise r << 16 adds 4 zeroes. Adding 1 << 24 (1000000 in hex) ensures that the hex representation is left-padded with any required zeroes once the leading 1 is stripped off using slice(). For example, if r and g were both zero and b was 51, ((r << 16) + (g <<...
How is “int* ptr = int()” value initialization not illegal?
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110
int() is a constant expression with a value of 0, so it's a valid way of producing a null point...