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How to create default value for function argument in Clojure
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You can also destructure rest arguments as a map since Clojure 1.2 [ref]. This lets you name and provide defaults for function arguments:
(defn string->integer [s & {:keys [base] :or {base 10}}]
(Integer/parseInt s base))
Now you can call
(string->integer "11")
=> 1...
AI2 Media Notification
...returned by GetAppDataDir & GetDownloadDir close with "/". 1.2 (2021-09-12) If the extension is used in several apps, tapping an action button triggers the associated event in all apps at the same time. This is due to the global nature of the broadcast receivers used. Solutio...
Source code highlighting in LaTeX
...so created a LateX package, once my Pygments patch was released in version 1.2 …
Presenting minted
minted is a package that uses Pygments to provide top-notch syntax highlighting in LaTeX. For example, it allows the following output.
Here’s a minimal file to reproduce the above code (notice...
Turn a simple socket into an SSL socket
...ent and the server. The supported protocols are SSLv3, TLSv1, TLSv1.1, TLSv1.2 and TLSv1.3.
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Adding up BigDecimals using Streams
...lueOf(8)));
invoices.add(new Invoice("C4", "I-004", BigDecimal.valueOf(1.2), BigDecimal.valueOf(7)));
// Java 8 approach, using Method Reference for mapping purposes.
invoices.stream().map(Invoice::total).forEach(System.out::println);
System.out.println("Sum = " + invoices.stream()....
Why is using a wild card with a Java import statement bad?
... and a year later someone else brings it out to edit it, and is using Java 1.2.
Java 1.2 added an interface named List to java.util. BOOM! Conflict. The perfectly working code no longer works.
This is an EVIL language feature. There is NO reason that code should stop compiling just because a type ...
How can I avoid Java code in JSP files, using JSP 2?
...ssible by (tag) classes. Here are several cites of relevance:
From JSP 1.2 Specification, it is highly recommended that the JSP Standard Tag Library (JSTL) be used in your web application to help reduce the need for JSP scriptlets in your pages. Pages that use JSTL are, in general, easier to re...
nginx upload client_max_body_size issue
... send an Expect: 100-Continue header. Nginx supports this correctly as of 1.2.7, and will reply with a 413 Request Entity Too Large response rather than 100 Continue if Content-Length exceeds the maximum body size.
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Printing a variable memory address in swift
...NSString(format: "%p", address(o))) // -> 0x7fd5c8700970
(Edit: Swift 1.2 now includes a similar function called unsafeAddressOf.)
In Objective-C this would be [NSString stringWithFormat:@"%p", o].
o is a reference to the instance. So if o is assigned to another variable o2, the returned addr...
HTML5 canvas ctx.fillText won't do line breaks?
...ltiLine(ctx, text, x, y) {
var lineHeight = ctx.measureText("M").width * 1.2;
var lines = text.split("\n");
for (var i = 0; i < lines.length; ++i) {
ctx.fillText(lines[i], x, y);
y += lineHeight;
}
}
shar...