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convert ArrayList to JSONArray
...:
ArrayList<String> list = new ArrayList<String>();
list.add("foo");
list.add("baar");
JSONArray jsArray = new JSONArray(list);
References:
jsonarray constructor:
http://developer.android.com/reference/org/json/JSONArray.html#JSONArray%28java.util.Collection%29
collection:
http://de...
How to include a quote in a raw Python string
... f-strings support escaping though, don't they? So you can do f"foo\"bar".
– mpen
Dec 10 '19 at 19:29
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AngularJS and its use of Dollar Variables
...this only displays the visible property.
<div ng-init="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div>
Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated f...
How to get past the login page with Wget?
...cookies cookies.txt \
--keep-session-cookies \
--post-data 'user=foo&password=bar' \
--delete-after \
http://server.com/auth.php
# Now grab the page or pages we care about.
wget --load-cookies cookies.txt \
http://server.com/interesting/article.php
Make sure the --pos...
Shell one liner to prepend to a file
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Not possible without a temp file, but here goes a oneliner
{ echo foo; cat oldfile; } > newfile && mv newfile oldfile
You can use other tools such as ed or perl to do it without temp files.
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Check if image exists on server using JavaScript?
...oad = good;
img.onerror = bad;
img.src = imageSrc;
}
checkImage("foo.gif", function(){ alert("good"); }, function(){ alert("bad"); } );
JSFiddle
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Use dynamic (variable) string as regex pattern in JavaScript
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Much easier way: use template literals.
var variable = 'foo'
var expression = `.*${variable}.*`
var re = new RegExp(expression, 'g')
re.test('fdjklsffoodjkslfd') // true
re.test('fdjklsfdjkslfd') // false
...
REST APIs: custom HTTP headers vs URL parameters
...comes into play with posts and searches: /orders/find?q=blahblah&sort=foo. There's a fine line between parameters and sub-resources: /orders/view/client/23/active versus /orders/view/client/23?show=active. I recommend the sub-resource style and reserve parameters for searches.
Since each en...
What are the new documentation commands available in Xcode 5? [closed]
...ypewritter font @c with @@p or @@c.
Backslashes and must be escaped: C:\\foo.
And so do @@ signs: user@@example.com
Some more text.
@brief brief text
@attention attention text
@author author text
@bug bug text
@copyright copyright text
@date date text
@invariant invariant text
@note no...
Showing empty view when ListView is empty
...st);
// shows list view
String[] values = new String[] { "foo", "bar" };
// shows empty view
values = new String[] { };
setListAdapter(new ArrayAdapter<String>(
this,
android.R.layout.simple_list_item_1,
...