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How can I remove or replace SVG content?

... actually if you want to remove elements from svg it would be better to use: svg.selectAll("*").remove();. This clear contents of the element even if set svg variable to a grouping element (g). – Nux ...
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How to count duplicate value in an array in javascript

...nt = 0; for (var i = 0; i < array_elements.length; i++) { if (array_elements[i] != current) { if (cnt > 0) { document.write(current + ' comes --> ' + cnt + ' times<br>'); } current = array_elements[i]; ...
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent

.... Any time you want to add or delete something to the list you have to modify the contents of the list instead of assigning a new list. To add children: public void addChild(SonEntity aSon) { this.sonEntities.add(aSon); } To remove children: public void removeChild(SonEntity aSon) { th...
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The purpose of Model View Projection Matrix

... view from world space to camera space, projection from camera to screen. If you compose all three, you can use the one result to map all the way from object space to screen space, making you able to work out what you need to pass on to the next stage of a programmable pipeline from the incoming ve...
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What are “signed” cookies in connect/expressjs?

...e out what "signed cookies" actually are. There isn't much on the net, and if I try this: 4 Answers ...
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How can I remove a style added with .css() function?

...on't get to set the requirements of any solution you develop for a client. If that client wants or needs support for an older browser, it;s your job to provide it, period. You guys talking about "who cares" give true engineers a bad name. – Ed DeGagne Dec 29 '1...
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Select all elements with “data-” attribute without using jQuery

...e a certain data- attribute (let's say data-foo ). The elements may be different tag elements. 7 Answers ...
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What's the best practice for primary keys in tables?

... situations. On surrogate vs natural key, I refer to the rules above. If the natural key is small and will never change it can be used as a primary key. If the natural key is large or likely to change I use surrogate keys. If there is no primary key I still make a surrogate key because experien...
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What is the difference between List (of T) and Collection(of T)?

...nd I am worried I'm about to go down a path in design that is irreversible if I don't understand this better. Also, I am using .NET. ...
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Limit number of characters allowed in form input text field

...of characters that will be accepted as input. This can be greater that specified by SIZE , in which case the field will scroll appropriately. The default is unlimited. <input type="text" maxlength="2" id="sessionNo" name="sessionNum" onkeypress="return isNumberKey(event)" /> However, thi...