大约有 40,000 项符合查询结果（耗时：0.0495秒） [XML]
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...:contacts, id: false do |t|
t.column :id, :uuid, null:false
t.string :name
t.string :mobile_no
t.timestamps
end
end
end
Final how to use into your model
class Contact < ActiveRecord::Base
usesguid
end
This will help you to configure UUID for your rails ap...
Why do we need private subnet in VPC?
...has built-in redundancy for high availability. If you don't care about the extra $33/month, then the managed NAT instance is definitely worth the reduced headache of not having to maintain another instance. If you are running a VPN (e.g. OpenVPN) instance for access to your instances within the VPC,...
How to select option in drop down using Capybara
...you can (if your server permit):
1) Create a model for your Organization;
extra: It will be easier to populate your HTML.
2) Create a factory (FactoryGirl) for your model;
3) Create a list (create_list) with the factory;
4) 'pick' (sample) a Organization from the list with:
# Random select
opti...
How to make a copy of a file in android?
...
These worked nice for me
public static void copyFileOrDirectory(String srcDir, String dstDir) {
try {
File src = new File(srcDir);
File dst = new File(dstDir, src.getName());
if (src.isDirectory()) {
String files[] = src.list();
int f...
How to disable UITextField editing but still accept touch?
...tField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
Return NO from this, and any attempt by the user to edit the text will be rejected.
That way you can leave the field enabled but still prevent people pasting text into it.
...
Cmake vs make sample codes?
...by passing it to CMake when invoking the program: cmake -DCMAKE_BUILD_TYPE:STRING=Debug.
CMake offers also the platform independent inclusion of the '-fPIC' flag (via
the POSITION_INDEPENDENT_CODE property) and many others. Still, more obscure settings can be implemented by hand in CMake just as we...
use localStorage across subdomains
...n localStorage on load, grab it from the cookie.
Pros:
Doesn't need the extra iframe and postMessage set up.
Cons:
Will make the data available across all subdomains (not just www) so if you don't trust all the subdomains it may not work for you.
Will send the data to the server on each requ...
How to import existing Android project into Eclipse?
... Having to crate new folders and copy things around seems like unnecessary extra work and confusion.
– JStrahl
Apr 2 '12 at 19:50
...
Loop through all nested dictionary values?
...lso easy to modify it to track the prefix as a tuple of keys rather than a string if you need it that way.
share
|
improve this answer
|
follow
|
...
Creating PHP class instance with a string
... two classes, class ClassOne { } and class ClassTwo {} . I am getting a string which can be either "One" or "Two" .
4...