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Render a string in HTML and preserve spaces and linebreaks

...As part of that I have a description (retrieved from a db) that has spaces and new lines. When it is rendered the new lines and spaces are ignored by the html. I would like to encode those spaces and new lines so that they aren't ignored. ...
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pandas: multiple conditions while indexing data frame - unexpected behavior

... As you can see, the AND operator drops every row in which at least one value equals -1. On the other hand, the OR operator requires both values to be equal to -1 to drop them. That's right. Remember that you're writing the condition in te...
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iPhone Safari Web App opens links in new window

...is launched from Home Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the same unanswered question. ...
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What does the “map” method do in Ruby?

... The map method takes an enumerable object and a block, and runs the block for each element, outputting each returned value from the block (the original object is unchanged unless you use map!): [1, 2, 3].map { |n| n * n } #=> [1, 4, 9] Array and Range are enume...
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How to redirect and append both stdout and stderr to a file with Bash?

...left to right as follows: >>file.txt: Open file.txt in append mode and redirect stdout there. 2>&1: Redirect stderr to "where stdout is currently going". In this case, that is a file opened in append mode. In other words, the &1 reuses the file descriptor which stdout currently us...
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Benefits of using the conditional ?: (ternary) operator

What are the benefits and drawbacks of the ?: operator as opposed to the standard if-else statement. The obvious ones being: ...
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What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?

...pedia page for HTTP Basic Authentication: While encoding the user name and password with the Base64 algorithm typically makes them unreadable by the naked eye, they are as easily decoded as they are encoded. Security is not the intent of the encoding step. Rather, the intent of the encoding is t...
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Get first and last day of month using threeten, LocalDate

I have a LocalDate which needs to get the first and last day of the month. How do I do that? 10 Answers ...
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How to make an OpenGL rendering context with transparent background?

...chieve what I was looking for. One of the most interesting ones is AeroGL, and it shows snippets of code using a technique that was not mentioned so far, which is rendering the graphics to a device-independent bitmap (DIB). To close this thread permanently, the source code below implements that tec...
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TypeError: got multiple values for argument

I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...