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What does send() do in Ruby?
...
Another example, similar to Antonio Jha's https://stackoverflow.com/a/26193804/1897857
is if you need to read attributes on an object.
For example, if you have an array of strings, if you try to iterate through them and call them on your object, it won't work.
att...
How do you remove duplicates from a list whilst preserving order?
...
Here you have some alternatives: http://www.peterbe.com/plog/uniqifiers-benchmark
Fastest one:
def f7(seq):
seen = set()
seen_add = seen.add
return [x for x in seq if not (x in seen or seen_add(x))]
Why assign seen.add to seen_add instead of just ca...
How to force push a reset to remote repository?
... to do git push that is not fast-forward.
If the remote is GitHub, go to https://github.com/$USER/$REPO/settings/branches and un-protect the branch in question.
You have to be admin of the repo to do that.
If the remote is your own git server, run git config receive.denynonfastforwards false th...
Which HTML5 tag should I use to mark up an author’s name?
...t;dt>All posts by author:</dt>
<dd><a href="http://www.blog.net/authors/remy-schrader/">Link</a></dd>
<dt>Contact:</dt>
<dd><a mailto="remy@blog.net"><img src="email-sprite.png"></a></dd>
</dl>
&...
Rails Root directory path?
...ils
def self.root
File.expand_path("..", __dir__)
end
end
source:
https://github.com/rails/rails/blob/5259062868dcf10fbcf735d6520e6a14e15fdcdb/actionmailer/test/abstract_unit.rb#L12
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How can I know which radio button is selected via jQuery?
...'input[name=radioName]:checked', '#myForm').val());
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="myForm">
<input type="radio" name="radioName" value="1" /> 1 <br />
<input type="radio" name="radioNam...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...tion/
http://docs.mongodb.org/manual/reference/connection-string/
http://www.cnblogs.com/magialmoon/p/3268963.html
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mongodb集群 副本集
Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
..., with only Xcode 6 installed (didn't have to re-install Xcode 5).
http://www.thecave.com/2014/09/16/using-xcodebuild-to-export-a-ipa-from-an-archive/
Example:
xcodebuild -exportArchive -archivePath $projectname.xcarchive -exportPath $projectname -exportFormat ipa -exportProvisioningProfile "Prov...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
...> i + *lowerBound*);
An article describing this in more detail: http://www.2ality.com/2014/05/es6-array-methods.html
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Android Studio: how to remove/update the “Created by” comment added to all new classes?
...e with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, e...