大约有 17,000 项符合查询结果（耗时：0.0314秒） [XML]
New line in JavaScript alert box
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you have to use double quotes to display special char like \n \t etc... in js alert box
for exemple in php script:
$string = 'Hello everybody \n this is an alert box';
echo "<script>alert(\"$string\")</script>";
But a second possible problem arrives when you want to display ...
Virtualbox “port forward” from Guest to Host [closed]
...nied" without explanation in /var/log/auth.log despite LogLevel DEBUG3 in /etc/ssh/sshd_config
– V-R
Aug 26 '16 at 14:57
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How to change Android version and code version number?
...falvors tab on right side on default config change version code , name and etc...
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What is the dual table in Oracle?
... as sysdate. Also helps you to check if Oracle is up and check sql syntax, etc.
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JavaScript single line 'if' statement - best syntax, this alternative? [closed]
... a conditional statement - removes any confusion as to order of operations etc. for other developers. I typically err towards specifying it except when there's no way for someone decently qualified to get confused.
– djvs
Apr 18 '17 at 4:11
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How would you make a comma-separated string from a list of strings?
...l)
Obviously it gets more complicated if you need to quote/escape commas etc in the values. In that case I would suggest looking at the csv module in the standard library:
https://docs.python.org/library/csv.html
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PHP Get Site URL Protocol - http vs https
...ERVER['HTTPS'] is set. Many frameworks set this variable as false or 'off' etc, therefore checking if it's simply set will not work.
– Daniel Dewhurst
Jan 3 '17 at 14:48
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How can I implode an array while skipping empty array items?
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To remove null, false, empty string but preserve 0, etc. use func. 'strlen'
$arr = [null, false, "", 0, "0", "1", "2", "false"];
print_r(array_filter($arr, 'strlen'));
will output:
//Array ( [3] => 0 [4] => 0 [5] => 1 [6] => 2 [7] => false )
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How to get whole and decimal part of a number?
...// 1
$fraction = $n - $whole; // .25
Then compare against 1/4, 1/2, 3/4, etc.
In cases of negative numbers, use this:
function NumberBreakdown($number, $returnUnsigned = false)
{
$negative = 1;
if ($number < 0)
{
$negative = -1;
$number *= -1;
}
if ($returnUnsigned){
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If isset $_POST
...d the ! operator in cases like this (easier to read, less chance of error, etc.) and reverse the logic... if (empty()) {/* No */} else {/* Yes */}
– MrWhite
Aug 1 '14 at 10:58
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