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Traits vs. interfaces

...sing APC: class ApcCacher { public function fetch($key) { return apc_fetch($key); } public function store($key, $data) { return apc_store($key, $data); } public function delete($key) { return apc_delete($key); } } Then, in your HTTP response object, you check for a cache h...
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Uploading both data and files in one form using Ajax?

...pload data and files with one form using ajax. PHP + HTML <?php print_r($_POST); print_r($_FILES); ?> <form id="data" method="post" enctype="multipart/form-data"> <input type="text" name="first" value="Bob" /> <input type="text" name="middle" value="James" /> ...
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How to tell PowerShell to wait for each command to end before starting the next?

... -Name $VmName -Status | ` select -ExpandProperty Statuses | ` ?{ $_.Code -match "PowerState" } | ` select -ExpandProperty DisplayStatus) -ne "VM running") { Start-Sleep -s 2 } Start-Sleep -s 5 ## Give the VM time to come up so it can accept remote requests – an...
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Difference between single and double quotes in Bash

...one who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation – Kolob Canyon May 10 '18 at 17:57 1 ...
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Set markers for individual points on a line in Matplotlib

...pixel marker o circle marker v triangle_down marker ^ triangle_up marker < triangle_left marker > triangle_right marker 1 tri_down marker 2 tri_up marker 3 ...
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How to make an app's background image repeat

...a hack to prevent ListViews from going black while scrolling. drawable/app_background.xml: <?xml version="1.0" encoding="utf-8"?> <bitmap xmlns:android="http://schemas.android.com/apk/res/android" android:src="@drawable/actual_pattern_image" android:tileMode="repeat" /...
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Difference between ActionBarSherlock and ActionBar Compatibility

...ibility. ActionBarSherlock is really easy and nice to use. --EDIT-- As LOG_TAG mentioned, there is now support for the action bar in the Android Support Library. I haven't had a chance to use it yet, but I would imagine that's the best one to use. ...
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Difference between Property and Field in C# 3.0+

... in several ways. For example: class Person: IPerson { private string _name; public string FirstName { get { return _name ?? string.Empty; } set { if (value == null) throw new System.ArgumentNullException("v...
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How to Display blob (.pdf) in an AngularJS app

...er. This is required if you want to create a blob of your data. See Sending_and_Receiving_Binary_Data. So your code will look like this: $http.post('/postUrlHere',{myParams}, {responseType:'arraybuffer'}) .success(function (response) { var file = new Blob([response], {type: 'application/pd...
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python pandas: apply a function with arguments to a series

...to pass extra arguments (see the new documentation). So now you can do: my_series.apply(your_function, args=(2,3,4), extra_kw=1) The positional arguments are added after the element of the series. For older version of pandas: The documentation explains this clearly. The apply method accepts a...