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Sending files using POST with HttpURLConnection
...nn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(10000);
conn.setConnectTimeout(15000);
conn.setRequestMethod("POST");
conn.setUseCaches(false);
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("Connecti...
How do I modify fields inside the new PostgreSQL JSON datatype?
...the end of the array:
SELECT jsonb_set('{"a":[null,{"b":[1,2]}]}', '{a,1,b,1000}', jsonb '3', true)
-- will yield jsonb '{"a":[null,{"b":[1,2,3]}]}'
For inserting into JSON array (while preserving all of the original values), the jsonb_insert() function can be used (in 9.6+; this function only, in ...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...tring input1 = "test";
boolean input2 = true;
int input3 = 100;
long input4 = 100000000;
new MyTask(input3, input4).execute(input1, input2);
}
private class MyTaskResult {
String text1;
String text2;
}
private class MyTask extends As...
How to paste yanked text into the Vim command line
...
Isn't there a badge “100/1 length ratio between answer and question?” :)
– Benoit
Oct 22 '10 at 13:35
8
...
How is “=default” different from “{}” for default constructor and destructor?
...concerned, you the rights of a trivial type" I'd fix it but I'm not quuite 100% sure what was intended.
– jcoder
Nov 28 '12 at 8:50
2
...
How to prevent Browser cache for php site
... can process 754 MiB/s without blinking. (openssl speed md5) Combined, a 100KB CSS file would have a combined additional overhead of… 129µs (microseconds, 0.1295ms) + 8ns (which does not meaningfully contribute to the final number) = 129µs.
– amcgregor
Ju...
How to filter SQL results in a has-many-through relation
....club(id)
);
INSERT INTO tmp.student(id)
SELECT generate_series(1,1000)
;
INSERT INTO tmp.club(id)
SELECT generate_series(1,100)
;
INSERT INTO tmp.student_club(student_id,club_id)
SELECT st.id , cl.id
FROM tmp.student st, tmp.club cl
;
DELETE FROM tmp.student_clu...
What does the CSS rule “clear: both” do?
...rder-box;
}
header, footer {
border: 5px solid #000;
height: 100px;
}
aside {
float: left;
width: 30%;
border: 5px solid #000;
height: 300px;
}
section {
float: left;
width: 70%;
border: 5px solid #000;
height: 300px;
}
.clear {
...
How do I give text or an image a transparent background using CSS?
...
.background {
position: absolute;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background-color: Black;
z-index: 1;
/* These three lines are for transparency in all browsers. */
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity...
Is JavaScript guaranteed to be single-threaded?
...
l.value+= 'log in\n';
l.focus();
l.value+= 'log out\n';
}, 100);
i.focus();
<textarea id="log" rows="20" cols="40"></textarea>
<input id="inp">
Results in log in, blur, log out on all except IE. These events don't just fire because you called focus() direc...
