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Is there a standard for storing normalized phone numbers in a database?
...belongs to and deal with the rest of the number according to that nation's format.
Generally, however, phone equipment and such is standardized so you can almost always break a given phone number into the following components
C Country code 1-10 digits (right now 4 or less, but that may change)
A...
Uppercase or lowercase doctype?
...se (HTML) or even mixed case (hTmL) — it will still work. However, to conform to the Polyglot Markup Guidelines for HTML-Compatible XHTML Documents, it should be written in lowercase.
share
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imp...
How different is Objective-C from C++? [closed]
...message determined at runtime; code compiled by a C++ compiler have this information calculated and compiled-in at compiletime.
– wilhelmtell
Mar 15 '10 at 19:15
9
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Send POST Request with Data Specified in File via Curl
...
If you are using form data to upload file,in which a parameter name must be specified , you can use:
curl -X POST -i -F "parametername=@filename" -F "additional_parm=param2" host:port/xxx
...
What is an existential type?
...alMachine.run.
Java type wildcards (ex: List<?>) are a very limited form of existential types.
Update: Forgot to mention that you can sort of simulate existential types with universal types. First, wrap your universal type to hide the type parameter. Second, invert control (this effectivel...
Check if a table exists in Rails
...ase.connection.table_exists? :kittens)
works for Rails 3.2
This simpler form will become available in Rails 5:
drop_table :kittens, if_exists: true
Reference: https://github.com/rails/rails/pull/16366
And here's the Rails 5 ActiveRecord's CHANGELOG:
Introduce the :if_exists option for dro...
How do I call Objective-C code from Swift?
...sses in Swift
If you have an existing class that you'd like to use, perform Step 2 and then skip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, an...
Why do I need 'b' to encode a string with Base64?
...
>>> data = b'test'
>>> for byte in data:
... print(format(byte, '08b'), end=" ")
...
01110100 01100101 01110011 01110100
>>>
If you interpret that binary data as a single integer, then this is how you would convert it to base-10 and base-64 (table for base-64):
ba...
Read/write to Windows registry using Java
...ion("hkey=" + hkey);
}
}
/**
* Read value(s) and value name(s) form given key
* @param hkey HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE
* @param key
* @return the value name(s) plus the value(s)
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws In...
Check if a Postgres JSON array contains a string
I have a table to store information about my rabbits. It looks like this:
4 Answers
4
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