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ValueError: setting an array element with a sequence

... From the code you showed us, the only thing we can tell is that you are trying to create an array from a list that isn't shaped like a multi-dimensional array. For example numpy.array([[1,2], [2, 3, 4]]) or numpy.array([...
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Formula px to dp, dp to px android

...olved my problem by using the following formulas. May other people benefit from it. dp to px: displayMetrics = context.getResources().getDisplayMetrics(); return (int)((dp * displayMetrics.density) + 0.5); px to dp: displayMetrics = context.getResources().getDisplayMetrics(); return (int) ((px/...
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How to sum up elements of a C++ vector?

... I wanted to fix the typo from "accumuate" to "accumulate" by "edit", but was told by stackoverflow that "Edits must be at least 6 characters". – aafulei Jun 29 at 9:59 ...
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Response.Redirect with POST instead of Get?

... spec, and even the latest, most secure IE7 will redirect the POST request from domain A to domain B without any warnings or confirmation dialogs! Safari also acts in an interesting manner, while it does not raise a confirmation dialog and performs the redirect, it throws away the POST data, effecti...
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Use Font Awesome icon as CSS content

... If you have access to SCSS files from font-awesome, you can use this simple solution: .a:after { // Import mixin from font-awesome/scss/mixins.scss @include fa-icon(); // Use icon variable from font-awesome/scss/variables.scss content: $fa-...
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Detecting iOS / Android Operating system

...i.test(userAgent)) { return "Android"; } // iOS detection from: http://stackoverflow.com/a/9039885/177710 if (/iPad|iPhone|iPod/.test(userAgent) && !window.MSStream) { return "iOS"; } return "unknown"; } ...
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Upgrade Node.js to the latest version on Mac OS

...de.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there any step that I have missed? Or, should I thoroughly uninstall the old version before installing the...
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Loop through Map in Groovy?

...in the Groovy language docs (I don't think it is!)? I guess I'm wondering, from a Groovy newbies' perspective, How did you know this? – smeeb Oct 24 '15 at 10:40 ...
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Does running git init twice initialize a repository or reinitialize an existing repo?

... From the git docs: Running git init in an existing repository is safe. It will not overwrite things that are already there. The primary reason for rerunning git init is to pick up newly added templates. ...
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Can “git pull --all” update all my local branches?

...eful. The option is passed along to git fetch, which then fetches all refs from all remotes, instead of just the needed one; pull then merges (or in your case, rebases) the appropriate single branch. If you want to check out other branches, you're going to have to check them out. And yes, merging (...