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Replace all elements of Python NumPy Array that are greater than some value

...and most concise way to do this is to use NumPy's built-in Fancy indexing. If you have an ndarray named arr, you can replace all elements >255 with a value x as follows: arr[arr > 255] = x I ran this on my machine with a 500 x 500 random matrix, replacing all values >0.5 with 5, and it t...
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How to use random in BATCH script?

... Given the specific problem, you will very likely be using some kind of loop? Then you should indeed be using delayed expansion e.g. via SETLOCAL ENABLEDELAYEDEXPANSION and using !RANDOM! instead of %RANDOM%, like Eugene posted. ...
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What is the best way to exit a function (which has no return value) in python before the function en

...oes exactly the same as return None Your function will also return None if execution reaches the end of the function body without hitting a return statement. Returning nothing is the same as returning None in Python. sha...
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How can I find the location of origin/master in git, and how do I change it?

...e a bookmark, for remote repositories. When you run git status, it checks if the remote is missing commits (compared to your local repository), and if so, by how many commits. If you push all your changes to "origin", both will be in sync, so you wont get that message. 2. If it's somewhere else...
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Remove outline from select box in FF

...ox uses the text color to determine the color of the dotted border. So say if you do... select { color: rgba(0,0,0,0); } Firefox will render the dotted border transparent. But of course your text will be transparent too! So we must somehow display the text. text-shadow comes to the rescue: sel...
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How to run a shell script in OS X by double-clicking?

...ace cd -- "$(dirname "$BASH_SOURCE")" right after the shebang line or, if you must remain POSIX-compliant, cd -- "$(dirname "$0")". For edge cases, such as finding a symlinked script's true source directory, see this answer of mine. If the script is unexpectedly not executable: Make it execu...
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Why is AJAX returning HTTP status code 0?

... Another case: It could be possible to get a status code of 0 if you have sent an AJAX call and a refresh of the browser was triggered before getting the AJAX response. The AJAX call will be cancelled and you will get this status. ...
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What's causing my java.net.SocketException: Connection reset? [duplicate]

...ative client to your Java code that you could use to test the web service? If this was successful it could indicate a bug in the Java code. As you are using Commons HTTP Client have a look at the Common HTTP Client Logging Guide. This will tell you how to log the request at the HTTP level. ...
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How to place two divs next to each other?

... 500px; border: 1px solid black; overflow: hidden; /* will contain if #first is longer than #second */ } #first { width: 300px; float:left; /* add this */ border: 1px solid red; } #second { border: 1px solid green; overflow: hidden; /* if you don't want #second to wrap be...
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How to compare two colors for similarity/difference

...hat I don't know how to do that manually step by step. So it is even more difficult to think of a program. 19 Answers ...