大约有 48,000 项符合查询结果（耗时：0.0578秒） [XML]
Find duplicate lines in a file and count how many time each line was duplicated?
...d mentioned below to achieve this
Get-Content .\file.txt | Group-Object | Select Name, Count
Also we can use the where-object Cmdlet to filter the result
Get-Content .\file.txt | Group-Object | Where-Object { $_.Count -gt 1 } | Select Name, Count
...
Remove Safari/Chrome textinput/textarea glow
... you can interact with. Let accessibility trump aesthetics here.
textarea, select, input, button { outline: none; }
Although, it's been argued that keeping the glow/outline is actually beneficial for accessibility as it can help users see which Element is currently focused.
You can also use the pse...
Recover unsaved SQL query scripts
...gled for Retrieve unsaved Scripts and found a solution.
Run the following select script. It provides a list of scripts and its time of execution in the last 24 hours. This will be helpful to retrieve the scripts, if we close our query window in SQL Server management studio without saving the script...
Stop an input field in a form from being submitted
...act with them at all- so if you have a disabled text field, the user can't select the text. If you have a disabled checkbox, the user can't change its state.
You could also write some javascript to fire on form submission to remove the fields you don't want to submit.
...
How to echo shell commands as they are executed
...
You can also toggle this for select lines in your script by wrapping them in set -x and set +x, for example,
#!/bin/bash
...
if [[ ! -e $OUT_FILE ]];
then
echo "grabbing $URL"
set -x
curl --fail --noproxy $SERV -s -S $URL -o $OUT_FILE
set +x...
invalid byte sequence for encoding “UTF8”
...e encoding of your database in pgAdmin. Just right-click the database, and select "Properties".
But that error seems to be telling you there's some invalid UTF8 data in your source file. That means that the copy utility has detected or guessed that you're feeding it a UTF8 file.
If you're running ...
“R cannot be resolved to a variable”? [duplicate]
...test build tools, your project target is set to the earlier one by import. Selecting project build to recent android version availble on you dev env will solve the issue. Ex: For me, by import project build target was being set to Android 4.4.2. This was giving the error. I changed it to Android 5.0...
Best way to give a variable a default value (simulate Perl ||, ||= )
...
return true;
} else {
return false;
}
}
function select_defined(){
$l = func_num_args();
$a = func_get_args();
for ($i=0; $i<$l; $i++){
if ($a[$i]) return $a[$i];
}
}
Examples:
// $foo ||= $bar;
set_unless_defined($foo, $bar);
//$foo = $baz ||...
PHP array delete by value (not key)
...
Yes, this is effective for selecting multiple array items/keys.
– Oki Erie Rinaldi
Aug 28 '14 at 4:52
3
...
Find and Replace text in the entire table using a MySQL query
...his_text";
$replace = "replace_with_this_text";
$loop = mysql_query("
SELECT
concat('UPDATE ',table_schema,'.',table_name, ' SET ',column_name, '=replace(',column_name,', ''{$find}'', ''{$replace}'');') AS s
FROM
information_schema.columns
WHERE
table_schema = '{...