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Rails I18n validation deprecation warning

... the following line inside the Rails::Application body config.i18n.enforce_available_locales = true The possible values are: false: if you want to skip the locale validation don't care about locales true: if you want the application to raise an error if an invalid locale is passed (or) wan...
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Is “else if” a single keyword?

...nt i; } So how is your slightly extended example parsed? if statement_0; else if statement_1; else if statement_2 ; will be parsed like this: if { statement_0; } else { if { statement_1; } else { if { statement_2 ; ...
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聊天机器人 · App Inventor 2 中文网

... 关键设置 文本输入框 文本输入框_消息 Hint:和机器人说点什么 按钮 按钮_发送 文本:发送 按钮 按钮_清空 文本:清空 标签 标签_转写 ...
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How can I maximize a split window?

...l T) to move any open window to its own tab. As mentioned by others Ctrl+W_ / Ctrl+W| to maximize within the current tab/window layout (while respecting min height/width settings for various other windows). (Ctrl+W= resizes all windows to equal size, respecting the minimum height/width settings) ...
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How do you turn a Mongoose document into a plain object?

...the result of doc.toObject(). http://mongoosejs.com/docs/api.html#document_Document-toObject share | improve this answer | follow | ...
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Matplotlib (pyplot) savefig outputs blank image

... My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png') – EduardoUstarez Apr 9 at 23:32 ...
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Regular expression to match URLs in Java

...placeholder. String regex = "^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; This works too: String regex = "\\b(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]"; Note: String regex = "<\\b(https?|ftp|file)://[-a-zA-Z0-9+&am...
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How do you sort a list in Jinja2?

...ilter allows you to specify an attribute to sort by: {% for movie in movie_list|sort(attribute='rating') %} See http://jinja.pocoo.org/docs/templates/#sort share | improve this answer | ...
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Method overloading in Objective-C?

...sign pattern) Here's a simple example on how function overloading works: __attribute__((overloadable)) float area(Circle * this) { return M_PI*this.radius*this.radius; } __attribute__((overloadable)) float area(Rectangle * this) { return this.w*this.h; } //... //In your Obj-C methods you...
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How to remove last n characters from every element in the R vector

... an example of what I would do. I hope it's what you're looking for. char_array = c("foo_bar","bar_foo","apple","beer") a = data.frame("data"=char_array,"data2"=1:4) a$data = substr(a$data,1,nchar(a$data)-3) a should now contain: data data2 1 foo_ 1 2 bar_ 2 3 ap 3 4 b 4 ...