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What does enctype='multipart/form-data' mean?

What does enctype='multipart/form-data' mean in an HTML form and when should we use it? 9 Answers ...
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How to see the CREATE VIEW code for a view in PostgreSQL?

...iginal DDL. The rewited version may or not be the same as your originl DDL script. If the Rule Manager rewrite your view definition your original DLL will be lost and you will able to read the only the rewrited version of your view definition. Not all views are rewrited but if you use sub-select or ...
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How to use the IEqualityComparer

...t required. AsEnumerable is also redundant here since processing the result in AddRange will cause this anyway. 1 Writing code without knowing what it actually does is called cargo cult programming. It’s a surprisingly widespread practice. It fundamentally doesn’t work. ...
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width:auto for fields

...r a display:block element meant 'fill available space'. However for an <input> element this doesn't seem to be the case. For example: ...
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In log4j, does checking isDebugEnabled before logging improve performance?

...ion of the toString() methods of various objects and concatenating the results. In the given example, the log message is a constant string, so letting the logger discard it is just as efficient as checking whether the logger is enabled, and it lowers the complexity of the code because there are few...
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How to check if element has any children in Javascript?

... A reusable isEmpty( <selector> ) function. You can also run it toward a collection of elements (see example) const isEmpty = sel => ![... document.querySelectorAll(sel)].some(el => el.innerHTML.trim() !== ""); console.log...
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Floating elements within a div, floats outside of div. Why?

...#parent { float: left; width: 100% } Another way uses a clear element: <div class="parent"> <img class="floated_child" src="..." /> <span class="clear"></span> </div> CSS span.clear { clear: left; display: block; } ...
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How do I get the list of keys in a Dictionary?

... List<string> keyList = new List<string>(this.yourDictionary.Keys); share | improve this answer | ...
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What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?

... This should solve your problem: td { /* <http://www.w3.org/wiki/CSS/Properties/text-align> * left, right, center, justify, inherit */ text-align: center; /* <http://www.w3.org/wiki/CSS/Properties/vertical-align> * baseline, sub, su...
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Android: allow portrait and landscape for tablets, but force portrait on phone?

... res/values as bools.xml or whatever (file names don't matter here): <?xml version="1.0" encoding="utf-8"?> <resources> <bool name="portrait_only">true</bool> </resources> Put this one in res/values-sw600dp and res/values-xlarge: <?xml ver...