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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t

...dy. That’s all it can do because it has no idea where the data is coming from. If you submit a HTML-Form with method="POST" and Content-Type: application/x-www-form-urlencoded or Content-Type: multipart/form-data your request may look like this: POST /some-path HTTP/1.1 Content-Type: application...
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What does the “@” symbol do in Powershell?

...Splatting (see about_splatting) Let's you invoke a cmdlet with parameters from an array or a hash-table rather than the more customary individually enumerated parameters, e.g. using the hash table just above, Copy-Item @HashArguments Here strings (see about_quoting_rules) Let's you create strings...
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How do I enable C++11 in gcc?

I use gcc 4.8.1 from http://hpc.sourceforge.net on Mac OSX Mountain Lion. I am trying to compile a C++ program which uses the to_string function in <string> . I need to use the flag -std=c++11 every time: ...
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C#: Abstract classes need to implement interfaces?

...'s mixins is another example. It allows you to mix partial implementations from many abstract classes into a single interface. Each abstract class only needs to implement the method it does want to implement. No dumb abstract method boilerplate getting in the way as is the case if i'm to recreate th...
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Which characters are valid/invalid in a JSON key name?

...er needs escaping in JavaScript generally needs it in JSON. Best to get it from the horse's mouth, though, at json.org. It takes about one minute to read the entire spec end-to-end. – Marcelo Cantos Dec 30 '11 at 4:21 ...
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Java - sending HTTP parameters via POST method easily

... It's a very basic library. The programmer has to call it from background-thread, in AsyncTask, in IntentService, in Synchronization Handler and the like. And it doesn't depend on Android -> can be used in Java SE and EE as well. – hgoebl Ju...
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How do I address unchecked cast warnings?

...input.keySet().toArray()) { if ((key == null) || (keyClass.isAssignableFrom(key.getClass()))) { Object value = input.get(key); if ((value == null) || (valueClass.isAssignableFrom(value.getClass()))) { K k = keyClass.cast(key); V v = valueClass.cast(value);...
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Why is it not advisable to have the database and web server on the same machine?

...ves in a DMZ, accessible to the public internet and taking untrusted input from anonymous users. If your web server gets compromised, and you've followed least privilege rules in connecting to your DB, the maximum exposure is what your app can do through the database API. If you have a business tier...
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Convert a row of a data frame to vector

... When you extract a single row from a data frame you get a one-row data frame. Convert it to a numeric vector: as.numeric(df[1,]) As @Roland suggests, unlist(df[1,]) will convert the one-row data frame to a numeric vector without dropping the names...
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What are “signed” cookies in connect/expressjs?

...es.cookie(name, value, { signed: true })) . Reporting the missing "detail" from the documentation... – Merc Aug 10 '12 at 9:03 ...