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Most efficient way to remove special characters from string
...Regular expression: 294.4 ms.
Edit 2:
I added the distinction between A-Z and a-z in the code above. (I reran the performance test, and there is no noticable difference.)
Edit 3:
I tested the lookup+char[] solution, and it runs in about 13 ms.
The price to pay is, of course, the initialization of...
python pandas dataframe to dictionary
I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance.
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Resize Google Maps marker icon image
...erals support the same parameters as MarkerImage, allowing
you to easily convert a MarkerImage to an Icon by removing the
constructor, wrapping the previous parameters in {}'s, and adding the
names of each parameter.
Phillippe's code would now be:
var icon = {
url: "../res/sit_marron....
Colorize logs in eclipse console
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What about use Logback and its property converter and log everything in log4j, that may allow you see the differents levels on differents colors.
Good luck!
EDIT: the eclipse plugin
shar...
How to make type=“number” to positive numbers only
...001" will help in most cases. More than 6 decimal places, JavaScript will convert it to exponent format.
– MarkMYoung
Jun 2 '16 at 20:32
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Create a completed Task
...
Task<T> is implicitly convertable to Task, so just get a completed Task<T> (with any T and any value) and use that. You can use something like this to hide the fact that an actual result is there, somewhere.
private static Task completedTa...
Places where JavaBeans are used?
What is a JavaBean and why do I need it? Since I can create all apps with the class and interface structure? Why do I need beans? And can you give me some examples where beans are essential instead of classes and interfaces?
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OrderBy descending in Lambda expression?
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As Brannon says, it's OrderByDescending and ThenByDescending:
var query = from person in people
orderby person.Name descending, person.Age descending
select person.Name;
is equivalent to:
var query = people.OrderByDescending(person =>...
What does |= (ior) do in Python?
.... See examples below.
Sets
For example, the union of two assigned sets s1 and s2 share the following equivalent expressions:
>>> s1 = s1 | s12 # 1
>>> s1 |= s2 # 2
>>> s1.__ior__(s2) ...
Excel Date to String conversion
...ming cell A1 contains a date, and using VBA code:
Dim strDate As String
'Convert to string the value contained in A1 (a date)
strDate = CStr([A1].Value)
You can, thereafter, manipulate it as any ordinary string using string functions (MID, LEFT, RIGHT, LEN, CONCATENATE (&), etc.)
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