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A semantics for Bash scripts?
...ion.
$ foo() { echo $x; }
$ bar() { local x; echo $x; }
$ foo
$ bar
$ x=123
$ foo
123
$ bar
$ …
Environment and process "scope"
Subshells inherit the variables of their parent shells, but other kinds of processes don't inherit unexported names.
$ x=123
$ ( echo $x )
123
$ bash -c 'echo $x'...
convert ArrayList to JSONArray
...s
import com.google.gson.Gson
import com.google.gson.reflect.TypeToken
fun <T> Gson.convertToJsonString(t: T): String {
return toJson(t).toString()
}
fun <T> Gson.convertToModel(jsonString: String, cls: Class<T>): T? {
return try {
fromJson(jsonString, cls)
...
Remove elements from collection while iterating
...
@aix I think it is worth mentioning the the remove method of the Iterator interface is marked as optional in Javadocs, which means that there could be Iterator implementations that may throw UnsupportedOperationException. As s...
How do I sort unicode strings alphabetically in Python?
...rg/reports/tr10 and here (locale collation): chm.tu-dresden.de/edv/manuals/aix/files/aixfiles/LC_COLLATE.htm
– Rafał Dowgird
Feb 14 '11 at 22:21
3
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Are global variables in PHP considered bad practice? If so, why?
...ins the system configuration, and when I nead to access this variable in a function, I do global $var; .
6 Answers
...
array_push() with key value pair
...
Warning: $a['123'] = 456; - string '123' is converted to integer key 123.
– bancer
Jul 2 at 12:58
1
...
Check whether variable is number or string in JavaScript
...constructors, you can use typeof:.
typeof "Hello World"; // string
typeof 123; // number
If you're creating numbers and strings via a constructor, such as var foo = new String("foo"), you should keep in mind that typeof may return object for foo.
Perhaps a more foolproof method of che...
jQuery document.createElement equivalent?
...lease notice that a is a jQuery object while b is a html element:
a.html('123')
// [<div>123</div>]
b.html('123')
// TypeError: Object [object HTMLDivElement] has no method 'html'
$(b).html('123')
// [<div>123</div>]
...
How can I remove all text after a character in bash?
...
@kp123: It's the first example in my answer. The second time I show it (where "tomorrow" is removed), it's almost exactly the situation you're asking about.
– Paused until further notice.
A...
Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python?
7 Answers
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