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HTML5 Pre-resize images before uploading

...le); var ctx = canvas.getContext("2d"); ctx.drawImage(img, 0, 0); var MAX_WIDTH = 800; var MAX_HEIGHT = 600; var width = img.width; var height = img.height; if (width > height) { if (width > MAX_WIDTH) { height *= MAX_WIDTH / width; width = MAX_WIDTH; } } else { if (height &gt...
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Get to UIViewController from UIView?

... All this bs about "you shouldn't do this" is just that. If a view wants to know about its view controller, that is up to the programmer to decide. period. – Daniel Kanaan Dec 7 '15 at ...
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download file using an ajax request

...n as your site. You could always make the AJAX request/window.location a fallback by using some JavaScript to test if download is supported and if not, switching it to call window.location. Original answer You can't have an AJAX request open the download prompt since you physically have to naviga...
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When should I use Struct vs. OpenStruct?

... @IvanKolmychek: Cool, actually I prefer the block approach. – tokland Mar 9 '16 at 18:21 ...
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What is the difference between & vs @ and = in angularJS

... @ allows a value defined on the directive attribute to be passed to the directive's isolate scope. The value could be a simple string value (myattr="hello") or it could be an AngularJS interpolated string with embedded expressi...
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server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none

...b certificate used for your gitLab server, and add it to your </git_installation_folder>/bin/curl-ca-bundle.crt. To check if at least the clone works without checking said certificate, you can set: export GIT_SSL_NO_VERIFY=1 #or git config --global http.sslverify false But that would be fo...
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What is “entropy and information gain”?

...: female | | ends-vowel=0: male length>=7 | length=5: male basically each node represent a test performed on a single attribute, and we go left or right depending on the result of the test. We keep traversing the tree until we reach a leaf node which contains the class prediction (m or f)...
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How do I verify that an Android apk is signed with a release certificate?

...oid\sdk\build-tools\25.0.3` (and every other build tools version I had installed) – Jon May 15 '17 at 20:17 2 ...
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Comparing Dates in Oracle SQL

...; to_date('31-DEC-95','DD-MON-YY') This method has a few unnecessary pitfalls As a_horse_with_no_name noted in the comments, DEC, doesn't necessarily mean December. It depends on your NLS_DATE_LANGUAGE and NLS_DATE_FORMAT settings. To ensure that your comparison with work in any locale you can u...
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Is it possible to use AutoLayout with UITableView's tableHeaderView?

...viewDidLoad { [super viewDidLoad]; self.header = [[SCAMessageView alloc] init]; self.header.titleLabel.text = @"Warning"; self.header.subtitleLabel.text = @"This is a message with enough text to span multiple lines. This text is set at runtime and might be short or long."; //se...