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How to sort a HashSet?
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115
A HashSet does not guarantee any order of its elements. If you need this guarantee, consider usi...
Please explain some of Paul Graham's points on Lisp
...this is the interesting bit:
(println (str/replace-re #"\d+" "FOO" "a123b4c56"))
This snippet of Clojure code prints out aFOObFOOcFOO. Note that Clojure arguably does not fully satisfy the fourth point on your list, since read-time is not really open to user code; I will discuss what it would mean ...
Why do we need RESTful Web Services?
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answered Sep 2 '09 at 15:18
Darrel MillerDarrel Miller
126k2828 gold badges179179 silver badges234234 bronze badges
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Reset push notification settings for app
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Technical Note TN2265: Troubleshooting Push Notifications
The first time a push-enabled app
registers for push notifications, iOS
asks the user if they wish to receive
notifications for that app. Once the
user has responded to this a...
Using port number in Windows host file
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195
The hosts file is for host name resolution only (on Windows as well as on Unix-like systems). Yo...
Why implement interface explicitly?
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answered Nov 5 '10 at 3:11
IainIain
9,68933 gold badges3232 silver badges2929 bronze badges
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How do I see the extensions loaded by PHP?
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245
Running php -m will give you all the modules, and php -i will give you a lot more detailed infor...
best way to get the key of a key/value javascript object
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If you want to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function(o){
if (o !== O...
How do I escape curly braces for display on page when using AngularJS?
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Magda Stożek
1955 bronze badges
answered Jun 1 '13 at 1:44
Mike PughMike Pugh
6,57722 gold ba...
Random string generation with upper case letters and digits
...ndom.choice(chars) for _ in range(size))
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>>> id_generator()
'G5G74W'
>>> id_generator(3, "6793YUIO")
'Y3U'
How does it work ?
We import string, a module that contains sequences of common ASCII characters, and random, a module that deals with random generation.
string.ascii_...