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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 to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
The doc http://code.google.com/chrome/devtools/docs/elements.html says it supports XPath or CSS selectors, but when I tried, didn't seem to work for me.
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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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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
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Prevent any form of page refresh using jQuery/Javascript
...itted, this triggers your backend job.
RESPONSE from form entry - Returns HTML that performs a redirect to your static wait page and/or POST/GET to another form (the WAIT page).
WAIT PAGE - Only contains FORM data related to wait page as well as javascript to destroy the most recent history. Li...
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...
Determine the line of code that causes a segmentation fault?
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I find this useful: gnu.org/software/gcc/bugs/segfault.html
– Loves Probability
Dec 10 '16 at 5:25
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Placeholder Mixin SCSS/CSS
...ch can be found here:
http://sass-lang.com/docs/yardoc/file.SASS_REFERENCE.html#mixin-content
As of Sass 3.4, this mixin can be written like so to work both nested and unnested:
@mixin optional-at-root($sel) {
@at-root #{if(not &, $sel, selector-append(&, $sel))} {
@content;
}
}
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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",...
Run certain code every n seconds [duplicate]
...e with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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