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Prevent contenteditable adding on ENTER - Chrome

...ent('br'); docFragment.appendChild(newEle); //make the br replace selection var range = window.getSelection().getRangeAt(0); range.deleteContents(); range.insertNode(docFragment); //create a new range range = document.createRange(); range.setStartAfter(newEle); ...
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Is there a NumPy function to return the first index of something in an array?

...st element. Note also that where and nonzero return arrays, so you need to select the first element to get the index. In [71]: np.argmax(a==2) Out[71]: 2 In [72]: np.where(a==2) Out[72]: (array([2], dtype=int64),) In [73]: np.nonzero(a==2) Out[73]: (array([2], dtype=int64),) Time comparison Ju...
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Android: alternate layout xml for landscape mode

...clicking on the button in the visual editor shown in the screenshot below. Select "Create Landscape Variation" share | improve this answer | follow | ...
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How can I discard remote changes and mark a file as “resolved”?

.... is important; passing in a file name (in this case, the whole directory) selects between two different modes of operation of checkout, one which switches branches and one which moves files from the index to the working copy. I agree, it's very confusing. You could also do git checkout --ours -- &l...
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Why is IoC / DI not common in Python?

...s great use of inversion of control. For instance, the database server is selected by the configuration file, then the framework provides appropriate database wrapper instances to database clients. The difference is that Python has first-class types. Data types, including classes, are themselves ...
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PHP memory profiling

...01-29) which can be used in Qcachegrind or similar tool. Just make sure to select the memory option :) From the docs: Since Xdebug 2.6, the profiler also collects information about how much memory is being used, and which functions aGnd methods increased memory usage. I'm not familiar with th...
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ActiveRecord: size vs count

... don't know what you are doing, use size... count Resolves to sending a Select count(*)... query to the DB. The way to go if you don't need the data, but just the count. Example: count of new messages, total elements when only a page is going to be displayed, etc. length Loads the required dat...
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How do I clear a search box with an 'x' in bootstrap 3?

...button) in other browsers, such as Firefox, so Firefox users could instead select the text and press delete, or... If you really need this nice-to-have feature supported in Firefox, then you could implement one of the other solutions posted here as a polyfill for input[type=search] elements. A poly...
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Sanitizing strings to make them URL and filename safe?

...OU echo normal_chars('üÿÄËÏÖÜŸåÅ'); // uyAEIOUYaA Based on the selected answer in this thread: URL Friendly Username in PHP? share | improve this answer | follow ...
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Spring @Transactional - isolation, propagation

...ion. I think if you understand the dirty reads concept you will be able to select a good option. Example of when a dirty read can occur: thread 1 thread 2 | | write(x) | | | | read(x) | | rollback | v v...