大约有 45,000 项符合查询结果（耗时：0.0699秒） [XML]
What is dynamic programming? [closed]
...problem just became more manageable.
Dynamic programming is used a lot in string problems, such as the string edit problem. You solve a subset(s) of the problem and then use that information to solve the more difficult original problem.
With dynamic programming, you store your results in some sort...
Regex to get string between curly braces
...
If your string will always be of that format, a regex is overkill:
>>> var g='{getThis}';
>>> g.substring(1,g.length-1)
"getThis"
substring(1 means to start one character in (just past the first {) and ,g.length-...
RVM: Uninstalling all gems of a gemset
... name.
If you want to empty the default gemset, you need to pass an empty string for the gemset name.
rvm gemset empty mygems ""
share
|
improve this answer
|
follow
...
When should I use the HashSet type?
...
Here's a real example of where I use a HashSet<string>:
Part of my syntax highlighter for UnrealScript files is a new feature that highlights Doxygen-style comments. I need to be able to tell if a @ or \ command is valid to determine whether to show it in gray (valid)...
Convert Unicode to ASCII without errors in Python
...odules (in Python 3):
import gzip
import io
Note: In Python 2 you'd use StringIO instead of io
Then you can parse the content out like this:
response = urlopen("https://example.com/gzipped-ressource")
buffer = io.BytesIO(response.read()) # Use StringIO.StringIO(response.read()) in Python 2
gzip...
How to switch to the new browser window, which opens after click on the button?
...u can switch between windows as below:
// Store the current window handle
String winHandleBefore = driver.getWindowHandle();
// Perform the click operation that opens new window
// Switch to new window opened
for(String winHandle : driver.getWindowHandles()){
driver.switchTo().window(winHandl...
How to parse JSON to receive a Date object in JavaScript?
... suggested and not serialize a DateTime at all; just send an RFC 1123 date string ToString("r") or a seconds-from-Unix-epoch number, or something else that you can use in the JavaScript to construct a Date.
share
|
...
Assign same value to multiple variables at once?
...
actually means $a = ( $b = ( $c = $d ) )
PHP passes primitive types int, string, etc. by value and objects by reference by default.
That means
$c = 1234;
$a = $b = $c;
$c = 5678;
//$a and $b = 1234; $c = 5678;
$c = new Object();
$c->property = 1234;
$a = $b = $c;
$c->property = 5678;
// $...
Pass array to ajax request in $.ajax() [duplicate]
... I am doing this, with my C# controller having both a List<string> and a string[] parameter, but in both cases, the array being past ends up being one comma-delimited string in the first element of the List<string> or string[] param. Any thoughts ?
– J...
Type List vs type ArrayList in Java [duplicate]
...ore a reference to a HashSet or TreeSet in a variable of type Set.
Set<String> names = new HashSet<String>();
This way, you have to change only one line if you decide to use a TreeSet instead.
Also, methods that operate on sets should specify parameters of type Set:
public static voi...