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How to rollback just one step using rake db:migrate
...Guide for running migrations.
Here's some more:
rake db:migrate - Run all migrations that haven't been run already
rake db:migrate VERSION=20080906120000 - Run all necessary migrations (up or down) to get to the given version
rake db:migrate RAILS_ENV=test - Run migrations in the given environm...
DateTime format to SQL format using C#
...swer several times, newbies like me can't relate because of this. Sorry to All, I'll close the question as soon as I am able.
– Ace Caserya
Jul 2 '13 at 6:11
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How do you append an int to a string in C++? [duplicate]
...it, as in
std::cout << text << i;
The C++ way of converting all kinds of objects to strings is through string streams. If you don't have one handy, just create one.
#include <sstream>
std::ostringstream oss;
oss << text << i;
std::cout << oss.str();
Alterna...
How to pass a single object[] to a params object[]
...{ (object)"1", (object)"2" }));
As an array is a subtype of object, this all works out. Bit of an odd solution though, I'll agree.
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How to change a git submodule to point to a subfolder?
...eated a submodule out of the boto project . Then, I discovered that I actually need only a subset of this project - specifically, the boto folder.
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String to object in JS
...
Actually, the best solution is using JSON:
Documentation
JSON.parse(text[, reviver]);
Examples:
1)
var myobj = JSON.parse('{ "hello":"world" }');
alert(myobj.hello); // 'world'
2)
var myobj = JSON.parse(JSON.stringify({
...
How to trigger a phone call when clicking a link in a web page on mobile phone
...e's only one thing I still haven't figured out: how can I trigger a phone call through the click of text?
6 Answers
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How to turn off CodeLens-References
I recently installed Visual Studio 2013 Ultimate.
Now, as you know, there is this "n references" above all methods.
4 Answ...
update package.json version automatically
Before I do a small release and tag it, I'd like to update the package.json to reflect the new version of the program.
11 A...
C++ include and import difference
...andard C/C++ preprocessor statement, used for including header (or occasionally other source code) files in your source code file.
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