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Rails 4: List of available datatypes
...SchemaStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 201...
Font size in CSS - % or em?
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Glenn SlavenGlenn Slaven
31.3k2424 gold badges105105 silver badges161161 bronze badges
...
Django, creating a custom 500/404 error page
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answered Jul 13 '14 at 16:56
Aaron LelevierAaron Lelevier
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Can someone explain how to implement the jQuery File Upload plugin?
..." data-height="48" data-fgColor="#0788a5" data-readOnly="1" data-bgColor="#3e4043" />'+
'<p></p><span></span></li>' );
// Append the file name and file size
tpl.find('p').text(data.files[0].name)
.append('<i>' + formatF...
Android Fragment onClick button Method
...|
edited Feb 25 '16 at 22:30
maytham-ɯɐɥʇʎɐɯ
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How to disable “Save workspace image?” prompt in R?
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jan-glx
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answered Feb 14 '11 at 19:12
Joshua UlrichJoshua Ulrich
...
Are HTTPS URLs encrypted?
...
943
Yes, the SSL connection is between the TCP layer and the HTTP layer. The client and server firs...
How to view file history in Git?
...ciated revision specifier that is a hash key (e.g. 14b8d0982044b0c49f7a855e396206ee65c0e787 and b410ad4619d296f9d37f0db3d0ff5b9066838b39). To view the difference between two different commits, use git diff with the first few characters of the revision specifiers of both commits, like so:
# diff bet...
ping response “Request timed out.” vs “Destination Host unreachable”
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139
Destination Host Unreachable
This message indicates one of two problems: either the local syst...
Programmatically find the number of cores on a machine
... more of the following methods (guarded by appropriate #ifdef lines):
Win32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
int numCPU = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X,...