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Formatting Phone Numbers in PHP
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This is a US phone formatter that works on more versions of numbers than any of the current answers.
$numbers = explode("\n", '(111) 222-3333
((111) 222-3333
1112223333
111 222-3333
111-222-3333
(111)2223333
+11234567890
1-8002353551
123-456-7890 -Hello!
+1...
Using openssl to get the certificate from a server
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To make this a bit more concise, you can replace the sed with openssl x509, and read it in using a sub-shell: openssl x509 -in <(openssl s_client -connect server:port -prexit 2>/dev/null)
– Gabe Martin-Dempesy
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How does Go compile so quickly?
...yle include files and
libraries.
While the phrase is not in the FAQ anymore, this topic is elaborated upon in the talk Go at Google, which compares the dependency analysyis approach of C/C++ and Go.
That is the main reason of fast compilation. And this is by design.
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What do people find difficult about C pointers? [closed]
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@John Marchetti: Even more so... given that the question was "What is the root issue with people's problem with pointers", I don't think the people asking the pointer-related questions would be terribly impressed with "You don't really need to kno...
What is the purpose of python's inner classes?
...d keep the two together. Nesting such "helper classes" makes their package more streamlined.
Increased encapsulation: Consider two top-level classes A and B where B needs access to members of A that would otherwise be declared private. By hiding class B within class A A's members can be declared p...
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
...ing in Python. We believe this is possible through the implementation of a more sophisticated GC system, something like IBM's Recycler (Bacon et al, 2001)."
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How to POST raw whole JSON in the body of a Retrofit request?
...d the following body:
{"foo":"kit","bar":"kat"}
The Gson docs have much more on how object serialization works.
Now, if you really really want to send "raw" JSON as the body yourself (but please use Gson for this!) you still can using TypedInput:
interface Foo {
@POST("/jayson")
FooResponse...
How many GCC optimization levels are there?
...imization level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It sho...
Hidden features of mod_rewrite
...hing should be case insensitive
Using the long-form of flags is often more readable and will help others who come to read your code later.
You can separate multiple flags with a comma:
RewriteRule ^olddir(.*)$ /newdir$1 [L,NC]
Common pitfalls
Mixing mod_alias style redirects with mod_rew...
Working copy XXX locked and cleanup failed in SVN
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