大约有 42,000 项符合查询结果（耗时：0.0247秒） [XML]
Read String line by line
...it(System.getProperty("line.separator"));
This gives you all lines in a handy array.
I don't know about the performance of split. It uses regular expressions.
share
|
improve this answer
...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
..._enable($buffer, EV_READ | EV_PERSIST);
// we need to save both buffer and connection outside
self::$connections[$id] = $connection;
self::$buffers[$id] = $buffer;
}
function ev_error($buffer, $error, $id)
{
event_buffer_disable(self::$buffers[$id], EV_READ | EV_WRITE);
event_buf...
How to parse a CSV file using PHP [duplicate]
... CSV file
http://php.net/manual/en/function.fgetcsv.php
$row = 1;
if (($handle = fopen("test.csv", "r")) !== FALSE) {
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
$num = count($data);
echo "<p> $num fields in line $row: <br /></p>\n";
$row++;
for ($...
Going to a specific line number using Less in Unix
...
... and don't hit enter after g, or you will jump one further line.
– HongboZhu
Jan 14 at 11:28
...
HTTP test server accepting GET/POST requests
...ve test server that accepts my requests for basic information via HTTP GET and also allows me to POST (even if it's really not doing anything). This is entirely for test purposes.
...
How can I launch multiple instances of MonoDevelop on the Mac?
...open a new MonoDevelop instance to work on a different project on the Mac, and the OS is currently preventing me from opening a new instance.
...
How to atomically delete keys matching a pattern using Redis
...ing: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
...
“unpacking” a tuple to call a matching function pointer
.... doesn't work from the signatures: your std::make_unique expects a tuple, and a tuple can be created from an unpacked tuple only via another call to std::make_tuple. This is what I've done in the lambda (although it's highly redundant, as you can also simply copy the tuple into the unique pointer w...
Sorting a tab delimited file
... can you show how to pass this delimeter to sort within an awk command? as in awk '{print $0 | "sort -nr" > "outfile" }' datafile, except with an escaped tab delimeter sent to the sort command.
– Merlin
Dec 1 '17 at 0:11
...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...ave a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger.
...