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Get Image size WITHOUT loading image into memory

... in order to identify a file type signature. Relevant version of script: https://raw.githubusercontent.com/scardine/image_size/master/get_image_size.py [update] Hmmm, unfortunately, when applied to jpegs, the above gives "'JPEG image data, EXIF standard 2.21'". No image size! – Alex Flint ...
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How do you build a Singleton in Dart?

...sible way: void main() { var s1 = Singleton.instance; s1.somedata = 123; var s2 = Singleton.instance; print(s2.somedata); // 123 print(identical(s1, s2)); // true print(s1 == s2); // true //var s3 = new Singleton(); //produces a warning re missing default constructor and breaks on ...
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How do I retrieve the number of columns in a Pandas data frame?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How to call a stored procedure from Java and JPA

...prepareCall("{call getEmployeeDetails(?, ?)}"); cstmt.setInt("employeeId", 123); cstmt.setInt("companyId", 456); ResultSet rs = cstmt.executeQuery(); Reference JDBC documentation: Java SE 6 share | ...
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How do you convert Html to plain text?

...e plain text look painful. Do you know how to fix? – 123iamking Jun 7 '16 at 7:24 ...
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In Typescript, How to check if a string is Numeric

...true; isNaN(+'r') = true; isNaN(+'') = false; isNaN(null) = false; https://codepen.io/CQCoder/pen/zYGEjxd?editors=1111 share | improve this answer | follow ...
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What is the parameter “next” used for in Express?

...) { // check for and maybe do something with req.user }); Since /users/123 will match the route in your example first, that will first check and find user 123; then /users can do something with the result of that. Route middleware is a more flexible and powerful tool, though, in my opinion, sin...
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JavaScript string encryption and decryption?

...yptoJS.enc.Utf8); Full working sample actually is: <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js" integrity="sha256-/H4YS+7aYb9kJ5OKhFYPUjSJdrtV6AeyJOtTkw6X72o=" crossorigin="anonymous"></script> <br><br> <label>encrypted...
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Angular.js directive dynamic templateURL

...;html ng-app="app"> <head> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> </head> <body> <div class="container-fluid body-content" ng-controller="formView"> <div class="row"> ...
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What does %~dp0 mean, and how does it work?

...~dp1= D:\Workbench\ ~dp2= D:\Workbench\ Run 2: D:\Workbench>batch c:\123\a.exe e:\abc\b.exe ~dp0= D:\Workbench\ ~dp1= c:\123\ ~dp2= e:\abc\ share | improve this answer | ...