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How to post JSON to a server using C#?
...
The way I do it and is working is:
var httpWebRequest = (HttpWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWebReq...
What is a covariant return type?
...lds an explicit reference to a MyFoo object will be able to invoke clone() and know (without casting) that the return value is an instance of MyFoo. Without covariant return types, the overridden method in MyFoo would have to be declared to return Object - and so calling code would have to explicit...
About catching ANY exception
...ght it!"
However, this will also catch exceptions like KeyboardInterrupt and you usually don't want that, do you? Unless you re-raise the exception right away - see the following example from the docs:
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (...
What is the best way to do GUIs in Clojure?
... :content "Hello, Seesaw"
:on-close :exit)
pack!
show!)
and here's @Abhijith and @dsm's example, translated pretty literally:
(ns seesaw-test.core
(:use seesaw.core))
(defn handler
[event]
(alert event
(str "<html>Hello from <b>Clojure</b>. Button "
...
Syntax highlighting/colorizing cat
... that supports those escape sequences) will print any text file as 'bold', and will print any binary file as red. You can use strings instead of cat for printing binary files and you can enhance the logic to make it suit your needs.
...
Make absolute positioned div expand parent div height
... width: 145px;
float: left;
}
Finally, add a clearfix to the parent and you're done (see the fiddle for the complete solution).
Generally, as long as the element with absolute position is positioned at the top of the parent element, chances are good that you find a workaround by floating the...
Oracle: If Table Exists
I'm writing some migration scripts for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
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Questions every good Java/Java EE Developer should be able to answer? [closed]
...ing through Questions every good .Net developer should be able to answer and was highly impressed with the content and approach of this question, and so in the same spirit, I am asking this question for Java/Java EE Developer.
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What is the difference between
... edited Aug 11 at 9:09
Alexandr Nil
14111 gold badge55 silver badges1010 bronze badges
answered Nov 3 '11 at 14:44
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Is it acceptable and safe to run pip install under sudo?
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I don't understand why this is the best answer. The question is NOT about virtual environments. It's about validity of using sudo pip install. Let's say I need to install some package that I'll use in many projects or at system level. Such ...