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How do I change the background color of a plot made with ggplot2
...s the theme_bw, giving you a white background and grey gridlines. I use it all the time, as in print it looks much better than the default grey background: myplot + theme_bw()
– ROLO
Dec 16 '11 at 9:11
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convert a JavaScript string variable to decimal/money
...vaScript doesn't have an integer type. It only has a Number type which are all stored internally as 64bit floating point numbers. Your point is valid for other languages that do have integer types such as C#, C++, but not really for JavaScript.
– Simon Brangwin
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Get an object's class name at runtime
...de gets the entire constructor code as a string and applies a regex to get all 'words'. The first word should be 'function' and the second word should be the name of the class.
Hope this helps.
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What is the usefulness of `enable_shared_from_this`?
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It enables you to get a valid shared_ptr instance to this, when all you have is this. Without it, you would have no way of getting a shared_ptr to this, unless you already had one as a member. This example from the boost documentation for enable_shared_from_this:
class Y: public enable_s...
Should I hash the password before sending it to the server side?
...atly however, and should be used in any authenticated session.
There is really no need to know what an original password is. All that is required is a reliable way to generate (and reliably re-generate) an authentication "key" based on the original text chosen by the user. In an ideal world this ...
Evil Mode best practice? [closed]
...ided that it meets my demand for speedy movement well enough that I can finally move on to Emacs.
7 Answers
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How is malloc() implemented internally? [duplicate]
Can anyone explain how malloc() works internally?
3 Answers
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How to check String in response body with mockMvc
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You can call andReturn() and use the returned MvcResult object to get the content as a String.
See below:
MvcResult result = mockMvc.perform(post("/api/users").header("Authorization", base64ForTestUser).contentType(MediaType.APPLICA...
psql invalid command \N while restore sql
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Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reas...
How to create a directory in Java?
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-1: That is actually a really bad technique to create a directory. The access to the FS is not reserved to a dedicated resource. Between if(!theDir.exists()) and theDir.mkdir() the status could have changed, as well as it could change in bet...