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Is returning null bad design? [closed]
...a detailed explanation: http://www.yegor256.com/2014/05/13/why-null-is-bad.html. More in my book Elegant Objects, Section 4.1.
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How to prevent that the password to decrypt the private key has to be entered every time when using
...the info up to date in a blog post at conan.is/blogging/clojure-on-windows.html, and I asked the same question myself at stackoverflow.com/questions/52423626/…
– Conan
Jan 7 '19 at 10:32
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How can I set the request header for curl?
....some-site.com' \
-H 'Connection: keep-alive' \
-H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' \
-H 'Accept-Language: en-GB,en-US;q=0.8,en;q=0.6' \
-e localhost \
-A 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/...
How to compile without warnings being treated as errors?
...d).
Source: http://gcc.gnu.org/onlinedocs/gcc-4.3.2/gcc/Warning-Options.html
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Double vs. BigDecimal?
...Java World:
http://docs.oracle.com/javase/7/docs/api/java/math/BigDecimal.html
The compareTo method is especially useful in while and for loops.
Be careful, however, in your use of constructors for BigDecimal. The string constructor is very useful in many cases. For instance, the code
BigDecimal...
Allow user to select camera or gallery for image
...alog from a list see https://developer.android.com/guide/topics/ui/dialogs.html#AlertDialog
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How do I sort an array of hashes by a value in the hash?
...he operands: a.sort! {|x,y| y <=> x } (ruby-doc.org/core-1.9.3/Array.html#method-i-sort)
– Stéphan Kochen
Oct 28 '12 at 10:39
1
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What's the difference between Spring Data's MongoTemplate and MongoRepository?
...sion annotation: docs.spring.io/spring-data/mongodb/docs/current/reference/html/…
– Karim Tawfik
Jan 23 at 9:58
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Why can't static methods be abstract in Java?
...t, it hides it. http://docs.oracle.com/javase/tutorial/java/IandI/override.html The difference is that polymorphism works only for overridden, but not for hidden methods.
– John29
Dec 7 '13 at 14:24
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Why no generics in Go?
...w.jetbrains.com/help/go/how-to-use-type-parameters-for-generic-programming.html.
package main
import "fmt"
func PrintSlice(type T)(s []T) {
for _, v := range s {
fmt.Print(v)
}
}
func main() {
PrintSlice([]int{1, 2, 3, 4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c",...