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How to exclude a directory in find . command
... edited Aug 17 at 9:24
Torque
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answered Nov 17 '10 at 23:00
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How do I make calls to a REST api using C#?
... // Add an Accept header for JSON format.
client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
// List data response.
HttpResponseMessage response = client.GetAsync(urlParameters).Result; // Blocking...
Print second last column/field in awk
...g on whitespace
e execute the perl code
The @F autosplit array starts at index [0] while awk fields start with $1.
$#F is the number of elements in @F
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Changing selection in a select with the Chosen plugin
...alue__209"
var arrayCurrent = jQuery('#searchlocation').val();
var index = arrayCurrent.indexOf(locID);
if (index > -1) {
arrayCurrent.splice(index, 1);
}
jQuery('#searchlocation').val(arrayCurrent).trigger('chosen:updated');
});
...
Check if a Postgres JSON array contains a string
...e' from rabbits where (info->'food')::jsonb ? 'carrots';
You can even index the ? query on the "food" key if you switch to the jsonb type instead:
alter table rabbits alter info type jsonb using info::jsonb;
create index on rabbits using gin ((info->'food'));
select info->>'name' from...
What do we mean by Byte array? [closed]
... computer programs.
The crucial thing about a byte array is that it gives indexed (fast), precise, raw access to each 8-bit value being stored in that part of memory, and you can operate on those bytes to control every single bit. The bad thing is the computer just treats every entry as an indepen...
Best practices for in-app database migration for Sqlite
...unt INTEGER;", NULL, NULL, NULL);
sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS categories_id_idx ON categories(id);", NULL, NULL, NULL);
sqlite3_exec(db, "CREATE INDEX IF NOT EXISTS categories_name_id ON categories(name);", NULL, NULL, NULL);
sqlite3_e...
TCP: can two different sockets share a port?
This might be a very basic question but it confuses me.
5 Answers
5
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Why does Java switch on contiguous ints appear to run faster with added cases?
...n which the switch is being performed is manipulated to convert it into an index in to the jump table. In this implementation , the time taken in the switch statement is much less than the time taken in an equivalent if-else-if statement cascade. Also the time taken in the switch statement is indep...
How can I make a div stick to the top of the screen once it's been scrolled to?
...round-color: #c0c0c0;
position:fixed;
top:0;
width:100%;
z-index:100;
}
Edit: You should have the element with position absolute, once the scroll offset has reached the element, it should be changed to fixed, and the top position should be set to zero.
You can detect the top scrol...