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How to fluently build JSON in Java?
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I am using the org.json library and found it to be nice and friendly.
Example:
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
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When would anyone use a union? Is it a remnant from the C-only days?
I have learned but don't really get unions. Every C or C++ text I go through introduces them (sometimes in passing), but they tend to give very few practical examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming ...
Add st, nd, rd and th (ordinal) suffix to a number
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How do I create and read a value from cookie?
How can I create and read a value from a cookie in JavaScript?
19 Answers
19
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Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...100m;
lua_package_path '/path/to/phoenix/include/?.lua;/path/to/phoenix/vendor/?.lua;;';
init_by_lua_file /path/to/phoenix/config.lua;
server {
listen 80;
server_name foo.com;
root /path/to/root;
index index.html index.htm index.php;
location / {
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Why does Double.NaN==Double.NaN return false?
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When would you use a List instead of a Dictionary?
What is the difference between a List of KeyValuePair and a Dictionary for the same types? Is there an appropriate time to use one or the other?
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'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
I'm trying to get data from an Excel file on a button click event. My connection string is:
34 Answers
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