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Creating a zero-filled pandas data frame

... When I did it this way, I could not alter the "0" values. TypeError: 'numpy.float64' object does not support item assignment – RightmireM Jan 16 '18 at 12:48 ...
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What is @RenderSection in asp.net MVC

...Shouldn't it be "scripts" instead of "Scripts" ? – SRIDHARAN Dec 11 '18 at 4:07 add a comment  |  ...
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Which is better: … or …

...ile HTML5 has it as optional, defaulting to text/javascript. HTML5 is now widely implemented, so if you use the HTML5 doctype, <script>...</script> is valid and a good choice. As to what should go in the type attribute, the MIME type application/javascript registered in 2006 is intende...
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'float' vs. 'double' precision

...ch base they use internally, so in other words, an implementation could decide to make it based on 18 digits of precision in base 3). [1] If you need to know these values, the constants FLT_RADIX and FLT_MANT_DIG (and DBL_MANT_DIG / LDBL_MANT_DIG) are defined in float.h. The reason it's called a d...
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How can I count the number of matches for a regex?

...lete example: import java.util.regex.*; class Test { public static void main(String[] args) { String hello = "HelloxxxHelloxxxHello"; Pattern pattern = Pattern.compile("Hello"); Matcher matcher = pattern.matcher(hello); int count = 0; while (matcher.fin...
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What is non-blocking or asynchronous I/O in Node.js?

In the context of Server Side Javascript engines, what is non-blocking I/O or asynchronous I/O? I see this being mentioned as an advantage over Java server side implementations. ...
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How to vertically align into the center of the content of a div with defined width/height?

...would be the correct method to vertically center any content in a defined width/height div . 4 Answers ...
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Case-INsensitive Dictionary with string key-type in C#

... This seemed related, but I didn't understand it properly: c# Dictionary: making the Key case-insensitive through declarations It is indeed related. The solution is to tell the dictionary instance not to use the standard string compare method (which is...
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What is the advantage of using async with MVC5?

..., ASP.NET takes a thread from the thread pool and starts executing it. The IdentityManager.Authentication.CheckPasswordAndSignIn method is invoked. This is a blocking call -> during the entire call the worker thread is being jeopardized. And here's how the second call works: When a request hi...
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List all the files that ever existed in a Git repository

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...