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How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
...sity, what benefit does using SimpleDateFormat bring over just: dateTime.ToString("yyyy-MM-dd HH:mm:ss.SSS") ?
– NickG
May 8 '13 at 9:43
...
Is !important bad for performance?
...to check the exact source and share this high level of knowledge is simply extraordinary and amazing. People like you are the ones who makes StackOverflow so popular and trustful. Thanks so much for answering and sharing this.
– Anmol Saraf
Dec 12 '12 at 8:04
...
Why is it string.join(list) instead of list.join(string)?
...ned (e.g, list, tuple, dict, set), but the result and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something else than strings will raise the following error:
T...
Which characters make a URL invalid?
...
Here's a regex that will determine if the entire string contains only the characters above: /^[!#$&-;=?-[]_a-z~]+$/
– Leif Wickland
Oct 7 '11 at 17:01
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Can I set an unlimited length for maxJsonLength in web.config?
...
In MVC 4 you can do:
protected override JsonResult Json(object data, string contentType, System.Text.Encoding contentEncoding, JsonRequestBehavior behavior)
{
return new JsonResult()
{
Data = data,
ContentType = contentType,
ContentEncoding = contentEncoding,
...
(Built-in) way in JavaScript to check if a string is a valid number
...
To check if a variable (including a string) is a number, check if it is not a number:
This works regardless of whether the variable content is a string or number.
isNaN(num) // returns true if the variable does NOT contain a valid number
Examples
i...
What are the differences between delegates and events?
... this way:
public class ArgsSpecial : EventArgs
{
public ArgsSpecial (string val)
{
Operation=val;
}
public string Operation {get; set;}
}
public class Animal
{
// Empty delegate. In this way you are sure that value is always != null
// because no one outside of ...
When to use std::size_t?
... something so it's natural to use it, for example, getting the length of a string and then processing each character:
for (size_t i = 0, max = strlen (str); i < max; i++)
doSomethingWith (str[i]);
You do have to watch out for boundary conditions of course, since it's an unsigned type. The ...
List all developers on a project in Git
...roject statistics for a Git repository: https://github.com/visionmedia/git-extras
Check out the bin catalog to see the the different scripts.
For example, the git-count script (commit count per committer):
git shortlog -n $@ | grep "):" | sed 's|:||'
...
Difference between Java Enumeration and Iterator
...CC, EEE. ----------------------------------------------------- Vector<String> v=new Vector<String>(6); v.add("AAA"); v.add("BBB"); v.add("CCC"); v.add("DDD"); v.add("EEE"); v.add("FFF"); Enumeration<String> en = v.elements(); while(en.hasMoreElements()) String value=(String) en.n...