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How to get image size (height & width) using JavaScript?

... You can programmatically get the image and check the dimensions using Javascript... const img = new Image(); img.onload = function() { alert(this.width + 'x' + this.height); } img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif'; This can be u...
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How can I resize an image using Java?

I need to resize PNG, JPEG and GIF files. How can I do this using Java? 17 Answers 17 ...
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How to think in data stores instead of databases?

As an example, Google App Engine uses Google Datastore, not a standard database, to store data. Does anybody have any tips for using Google Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard t...
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate

... to the corresponding getters. A big word of caution is not to mix "Field" and "Property" access types within the entity class otherwise the behavior is undefined by the JSR-317 specifications. share | ...
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Does Python have a package/module management system?

...ood news! Python 3.4 ships with Pip. Pip has long been Python's de-facto standard package manager. You can install a package like this: pip install httpie Wahey! This is the best feature of any Python release. It makes the community's wealth of libraries accessible to everyone. Newbies are no lon...
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How to import an excel file in to a MySQL database

...SCAPED BY '\' Check your data. Sometimes quoting or escaping has problems, and you need to adjust your source, import command-- or it may just be easier to post-process via SQL. share | improve thi...
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Android Studio suddenly cannot resolve symbols

Android Studio 0.4.2 was working fine and today I opened it and almost everything was red and the auto-completion had stopped working. I look at the imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( andro...
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Autolayout - intrinsic size of UIButton does not include title insets

...on width is derived from the title width plus the icon width plus the left and right content edge insets. If a button has both an image and text, they’re centered as a group, with no padding between. If you add a left content inset, it’s calculated relative to the text, not the text + icon. If y...
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How do I write a correct micro-benchmark in Java?

How do you write (and run) a correct micro-benchmark in Java? 11 Answers 11 ...
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Why must wait() always be in synchronized block

... to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling wait() ? ...