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What breaking changes are introduced in C++11?

...bc" const char *s = u8"def"; // Previously "abcdef", now "def" #define _x "there" "hello"_x // now a user-defined-string-literal. Previously, expanded _x . New keywords: alignas, alignof, char16_t, char32_t, constexpr, decltype, noexcept, nullptr, static_assert, and thread_local Ce...
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Force browser to clear cache

... changes, one way is to to "cache busting" is by appending something like "_versionNo" to the file name for each release. For example: script_1.0.css // This is the URL for release 1.0 script_1.1.css // This is the URL for release 1.1 script_1.2.css // etc. Or alternatively do it after the fil...
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How to debug JavaScript / jQuery event bindings with Firebug or similar tools?

...Query stores your handler internally). jQuery 1.8.x var clickEvents = $._data($('#foo')[0], "events").click; jQuery.each(clickEvents, function(key, handlerObj) { console.log(handlerObj.handler) // prints "function() { console.log('clicked!') }" }) ...
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What does numpy.random.seed(0) do?

... If you set the np.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same: >>> import numpy as np >>> np.random.seed(0) >>> perm = np.random.permutation(10) >>> p...
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Input text dialog Android

...orate more if this is what you need). Within your class: private String m_Text = ""; Within the OnClickListener of your button (or in a function called from there): AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle("Title"); // Set up the input final EditText input ...
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Extracting just Month and Year separately from Pandas Datetime column

... the best answer is clearly.. df['mnth_yr'] = df.date_column.dt.to_period('M') as below from @jaknap32 – ihightower Jun 23 '17 at 6:16 1 ...
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PHP script to loop through all of the files in a directory?

...r. Example from php Manual: <?php $dir = new DirectoryIterator(dirname(__FILE__)); foreach ($dir as $fileinfo) { if (!$fileinfo->isDot()) { var_dump($fileinfo->getFilename()); } } ?> share ...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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Getting multiple keys of specified value of a generic Dictionary?

...e, perhaps maintain two dictionary mapping key->value and value->List_of_keys. If you do the latter you will trade storage for look up speed. It wouldn't take much to turn @Cybis example into such a data structure. s...
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how to stop browser back button using javascript

...defined") { throw new Error("window is undefined"); } var _hash = "!"; var noBackPlease = function () { global.location.href += "#"; // making sure we have the fruit available for juice (^__^) global.setTimeout(function () { global.location.h...