The PCRE-compliant PCRE_DOLLAR_ENDONLY modifier that makes the $ anchor match at the very end of the string (excluding the position before the final newline in the string).
/^\d+$/D
is equal to
/^\d+\z/
and matches a whole string that consists of 1 or more digits and will not match "123...
filePath = "file.csv"
data = np.genfromtxt(filePath)
Many options are supported, see official documentation for full list:
data = np.genfromtxt(filePath, dtype='float', delimiter=';', skip_header=1, usecols=(0,1,3) )
I have some data analysis done on some data and have many
'non-coding' people on the team, who have similar data like mine,
and have similar analysis requirements. In such cases, I can build a
web application with shiny, which takes in user specific input data
files, and generate analyses.
I ...
When a Java virtual machine starts, it needs to know how big to make the Heap, and the default size for thread stacks. These can be specified using command-line options on the java command. For versions of Java prior to Java 8, you can also specify the size of the PermGen region of the Heap.
Note...
EventNetworks returned by compile must be actuated before reactimated events have an effect.
main = do
(inputHandler, inputFire) <- newAddHandler
eventNetwork <- compile $ do
inputEvent <- fromAddHandler inputHandler
let inputEventReaction = fmap putStrLn inp...
Here we will be checking out the latest copy of our project's code, run the tests and will make the application live.To achieve that, follow below steps:
Open Jenkins in browser.
Click the New Job link.
Enter project name and select the Build a free-style software project link.
Click on Ok but...
Since an enum can be cast to and from its underlying integral type, the value may fall outside the range of values given in the definition of the enum type.
Although the below enum type DaysOfWeek only has 7 defined values, it can still hold any int value.
public enum DaysOfWeek
{
Monday = 1...
Information about the database connections
SELECT
a.mon$attachment_id as Attachment_ID,
a.mon$server_pid as Server_PID,
case a.mon$state
when 1 then 'active'
when 0 then 'idle'
end as State,
a.mon$attachment_name as Database_Name,
...
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When deriving Serialize and Deserialize implementations for structs with generic type parameters, most of the time Serde is able to infer the correct trait bounds without help from the programmer. It uses several heuristics to guess the right bound, but most importantly it puts a bound of T: Seriali...
To view an browse Vaadin add-ons in the Directory, you must be registered to vaadin.com. After the initial discovery of artifact details, e.g. for download and usage, registration is not required. Also, the usage of add-ons in a Maven project is not IDE-specific and the same instructions apply.
Fro...
The & operator is the parent selector. When used in or as a selector, it is replaced with the full parent selectors (entire sequence of selectors right upto to the topmost level of a nested block) in the final CSS output.
It is useful when creating nested rules that require using the parent sel...
The way Moment uses dates and times is by wrapping the existing Date() object in a moment() object and specifying useful and intuitive methods on this object.
Format Dates
moment().format('MMMM Do YYYY, h:mm:ss a'); // August 4th 2016, 10:41:45 am
moment().format('dddd'); // Th...
C++11
Motivational example
When you have a variadic template pack in the template parameters list, like in the following code snippet:
template<typename ...Args> void func(Args &&...args) { //... };
The standard library (prior to C++17) offers no direct way to write enable_if...
public static async Task<WriteableBitmap> RenderUIElement(UIElement element)
{
var bitmap = new RenderTargetBitmap();
await bitmap.RenderAsync(element);
var pixelBuffer = await bitmap.GetPixelsAsync();
var pixels = pixelBuffer.ToArray();
var writeableBitmap = new W...
Writing with roxygen2
roxygen2 is a package created by Hadley Wickham to facilitate documentation.
It allows to include the documentation inside the R script, in lines starting by #'. The different parameters passed to the documentation start with an @, for example the creator of a package will by...
To open an app with defined URL scheme todolist://:
Objective-C
NSURL *myURL = [NSURL URLWithString:@"todolist://there/is/something/to/do"];
[[UIApplication sharedApplication] openURL:myURL];
Swift
let stringURL = "todolist://there/is/something/to/do"
if let url = NSURL(s...
