paperclip gem

1369: [baltic2003] gemtime limit: 2 sec memory limit: 64 MB Submit: 282 solved: 180 [Submit] [Status] [discuss] Description indicates a tree. You are required to mark the weight value on the node on the tree. The weight can be any positive integer. The only restriction is that the two adjacent nodes cannot mark the same weight value, A solution is required to minimize the total value of the entire tree. Input first gives a number N, representing the tree has n points, n 7 5 1 2 1 7 8 9 4 1 9 7

PS Tutorial PS made transparent pink gem font (text) The effect diagram is composed of two parts, texture and high light. The texture part does not need to be processed, directly using texture material. The High light section is slightly more complex, you need to copy several layers of text, and the fill to 0, and then set the style to increase the high light. Final effect 1, create a new document, width 1000, height 700.

Rescue star for spelling mistakes in Ruby programming: did_you_mean gem I often encounter spelling errors in Ruby development when class names or method names are misspelled. But I don't know it's just a spelling mistake. I will repeat it: "It's so strange. It looks okay ..." I often waste a lot of time on this kind of thing, but the reason may be that a character is wrong. I hate such a thing. That's why I developed did_you_mean

Ruby That's not much to say. RVM Used to help you install a ruby environment, help you manage multiple ruby environments, and help you manage which Ruby environment you use on your computer for each ruby application you develop. The ruby environment is not just Ruby itself, it also includes dependent Third-party Ruby Plug-ins. are managed by RVM. Rails This also needless to say, the famous development framework. See Http://zh.wikipedia.org/wiki/Ruby_on_Rails in detail RubyGems RubyGems is

The tutorial introduces a very transparent gem texture button to make the method. The general process: First use the selection tool to make the desired shape, color palette with some layer style to make texture and texture effects. Then add the high light and text.Final effect1. Open the background material as shown in the following figure. 2, select the "Ellipse" tool to draw.3. Double-click the layer thumbnail to set the "Pick solid" dialog box ope

Bundle install appears ' gem install mysql2-v ' 0.3.15 ' succeeds before Bunding 'FIX: sudo apt-get install Libmysql-ruby ' If you can't find this package try the package belowReference: Http://packages.ubuntu.com/search?keywords=mysql-rubyRuby-dataobjects-mysqlLibmysqldb-rubyRuby-dbd-mysqlsudo apt-get install Libmysqlient-dev ' Sometimes it's ready to be updated (this is the key)Install the two after the bundle installed after the success."Require" o

Rubyrailsdevkitsqlite3 environment dependencies installed with railsinstaller have been installed now want to try mysqlC: windowssystem32 gt; railsnewE: rubykk10-dmysqlInstallingmysql2 (0.3.13) Gem: Installer: ExtensionBuildError: ERROR: warning. f: railsRailsInstalle... mysqlgemrailsrailsinstallerruby Ruby rails devkit sqlite3 on which the environment installed with railsinstaller depends has been installedNow I want to try mysqlC: \ windows \

The problem that Mysql cannot be installed using Gem in Mac OS is that when Mysql is installed using Gem in Mac OS, the following error occurs: www.2cto.com Java code Building native extensions. this cocould take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby. framework/Versions/1.8/usr/bin/r

Use Fastlane for fast, continuous updates and a range of issues during installation:1. Installing the Fastlane:sudo gem install FastlaneErrorERROR: Failed to build gem native extension.--remove http://rubygems.org/-a https://ruby.taobao.org/# View current gem source gem sources* * * * sourceshttp://ruby.taobao.org- -U

A lot of people have already discovered that by ordering "gem install compass" To install compass, the following exception will be reported when compiling scss using "Compass compile":"File to import not found or unreadable:blueprint/typography"Google a bit, said the new compass has not included compass-bluprint.So I tried to execute the command "gem install Compass-blueprint" and manually install Compass-b

Installation Instructions sudo gem install Cocoapods The error message is as follows: Error:ssl verification error at depth 2:unable to get local issuer certificate (20)Error:you must add/c=us/o=verisign, inc./ou=class 3 public Primary certification to authority local your storeError:ssl verification error at depth 1:unable to get local issuer certificate (20)Must add/c=il/o=startcom ltd./ou=secure Digital certificate signing/cn=startcom Certificat

Ruby-V # view Ruby version Ruby-e ''require "watir"; puts watir: IE: version'' # view watir versionGem-V # gem versionGem update # update all packagesGem update -- System # update rubygems SoftwareGem install rake # Install rake from a local or remote serverGem install rake -- remote # Install rake from a remote serverGem install watir-V (or -- version) 1.6.2 # specifyGem uninstall rake # uninstall the rake packageGem List D # list local packages wit

#gem install json-v ' 1.8.3 'Building native extensions. This could take a while... Error:error installing json:ERROR:Failed to build gem native extension. /usr/bin/ruby1.9.1extconf.rb/USR/LIB/RUBY/1.9.1/RUBYGEMS/CUSTOM_REQUIRE.RB:36:inch' Require': Cannot load such file--MKMF (Loaderror) from/USR/LIB/RUBY/1.9.1/RUBYGEMS/CUSTOM_REQUIRE.RB:36:inch' Require' fromExtconf.rb:1:inch' '

St indicates that it has lost more than 1 years of*st said that a continuous loss of more than 3 years, and the risk of delisting, at any time may be "delisting" then your money may not be broughtMain Board stock Code Shanghai 60 opening, Shenzhen 000 opening, usually refers to large and medium-sized enterprises; SME Board 002, the beginning of the SME; Gem 300, the beginning of the start, mainly refers to entrepreneurial, high-tech types of enterpris

When using IOS_BAIDUSDK, you need to use the cocoapods, so you need to follow the steps to continue. However, you will encounter some problems in the process:1. Sudo gem install cocoapods run this error1 rubertdemacbook-pro:~ rubert$ sudo gem install cocoapods2 /system/library/frameworks/ ruby.framework/versions/2.0/usr/lib/ruby/2.0. 0/universal-darwin14/rbconfig.rb:213in0407773 ERROR: ' cocoapods'0 in an

To give you illustrator software users to detailed analysis to share the design long drag shadow gem icon effect of the production tutorial. Tutorial Sharing: I. Drawing of Diamonds In my eyes, painting is a very interesting thing, it is to restore our lives on the basis of the addition of our imagination of the world (if you have enough imagination). So imagine the diamond you've seen before. What shape is it? Is it shine

Ruby language upgrades are still more diligent. But a large number of versions make library compatibility a big problem. Some gems indicate that Ruby is explicitly unsupported by a particular version, while some gems are incompatible with a higher version. In addition, the gem itself has a version, it is simply chaos into a porridge. Even with ruby versioning tools such as RVM and rbenv, you can't avoid falling into a hole. And some other environmenta

Release date:Updated on: 2013-05-19 Affected Systems:Rubygems cremefraiche 0.6Description:--------------------------------------------------------------------------------CVE (CAN) ID: CVE-2013-2090Creme Fraiche gem for Ruby convertible email to PDF.Creme Fraiche gem for Ruby 0.6.0 function "set_meta_data ()" function (lib/cremefraiche. (rb) the file name of the email attachment is not effectively filtered.

In Linux, the "Gem square": Gweled-Linux general technology-Linux technology and application information. The following is a detailed description. You must be very familiar with the game diamond, that is, moving three identical things together can be eliminated. There are quite a few similar games, games such as computers, hosts, PDAs, and even mobile phones are simple but easy to play. Gweled is a Linux clone of the Diamond Block ,: (400) {

After installing ruby1.9.2p290 and rubygem1.8.10 using the source code in buntu10.10 today, you want to use gem to install rails: Gem install rails. The result shows no such file to load -- zlib error. Zlib is a library implementing the deflate compression method foundIn gzip and PKZIP. Work und, install zlib1g and the zlib1g-dev package (APT-Get install or use synaptic), and then 1. Go back to the ruby