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Annotating text on individual facet in ggplot2

... Typically you'd do something like this: ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text", cyl = factor(8,levels = c("4","6","8"))) p + geom_text(data = ann_text,label = "Text") It should work without specifying the factor variable comple...
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What characters are valid for JavaScript variable names?

...mmarizing the relevant spec sections: An identifier must start with $, _, or any character in the Unicode categories “Uppercase letter (Lu)”, “Lowercase letter (Ll)”, “Titlecase letter (Lt)”, “Modifier letter (Lm)”, “Other letter (Lo)”, or “Letter number (Nl)”. The r...
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What is Lazy Loading?

...: ... @property def total(self): if not hasattr(self, "_total"): self._total = self.quantity \ + sum(bi.quantity for bi in self.borroweditem_set.all()) return self._total Basically, I have an Item class which represents an item in our inven...
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails

I want my urls to use dash - instead of underscore _ as word separators. For example controller/my-action instead of controller/my_action . ...
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How can I rotate an HTML 90 degrees?

... You need CSS to achieve this, e.g.: #container_2 { -webkit-transform: rotate(90deg); -moz-transform: rotate(90deg); -o-transform: rotate(90deg); -ms-transform: rotate(90deg); transform: rotate(90deg); } Demo: #container_2 { width: 100px; ...
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SQL Server Installation - What is the Installation Media Folder?

...se that one when you "Browse for SQL server Installation Media" SQLEXPRADV_x64_ENU.exe > SQLEXPRADV_x64_ENU.zip 7zip will open it (standard Windows zip doesn't work though) Extract to something like C:\SQLInstallMedia You will get folders like 1033_enu_lp, resources, x64 and a bunch of files....
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Changing java platform on which netbeans runs

...ble under etc folder inside the NetBeans installation. Modify the netbeans_jdkhome variable to point to new JDK path, and then Restart your Netbeans. share | improve this answer | ...
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Why should text files end with a newline?

...ter. Source: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_206 An incomplete line as: A sequence of one or more non- <newline> characters at the end of the file. Source: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_1...
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How do I convert from int to String?

...tClass extends java.lang.Object{ public TestClass(); Code: 0: aload_0 1: invokespecial #1; //Method java/lang/Object."<init>":()V 4: return public static void main(java.lang.String[]); Code: 0: iconst_5 1: istore_1 Initialise the StringBuilder: 2: ...
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File Upload without Form

... Basing on this tutorial, here a very basic way to do that: $('your_trigger_element_selector').on('click', function(){ var data = new FormData(); data.append('input_file_name', $('your_file_input_selector').prop('files')[0]); // append other variables to data if you want: dat...