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How to terminate the script in JavaScript?
...opagation();
// e.preventDefault(); // Stop for the form controls, etc., too?
}
for (i=0; i < handlers.length; i++) {
window.addEventListener(handlers[i], function (e) {stopPropagation(e);}, true);
}
if (window.stop) {
window.stop();
}
throw '';
}...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
...plication of translation rules, regeneration of source text with comments, etc., all parameterized by explicit definitions of computer languages.
The amount of machinery you need to do this well is vast (especially if you want to be able to do this for multiple languages in a general way), and then...
MySQL, Check if a column exists in a table with SQL
...ve to wrap the whole thing in a procedure which allows statements like IF, etc. See stackoverflow.com/questions/7384711/… for an example of how to wrap a procedure around the test for the column and the conditional DML statement.
– Christopher Schultz
Jul 23 ...
Mechanisms for tracking DB schema changes [closed]
...le script, update.php, and a number of files numbered 1.sql, 2.sql, 3.sql, etc. The script uses one extra table to store the current version number of the database. The N.sql files are crafted by hand, to go from version (N-1) to version N of the database.
They can be used to add tables, add column...
How do I check if a string contains a specific word?
... === is best option (in my opinion) all aspect considered (speed, accuracy etc).
– Melsi
Dec 15 '12 at 12:28
10
...
How can I implode an array while skipping empty array items?
...
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 )
...
PHP: How to handle
...SPrefix:someElement />), the position of the child element in the text, etc. LIBXML_NOCDATA converts CDATA nodes into text nodes, but doesn't fix the rest.
– IMSoP
Feb 7 '15 at 15:54
...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...a set of functions to check that inputs are integers, floats, alphanumeric etc. But when it comes to SQL, heed most the value of the prepared statement. The above code would have been secure if it was a prepared statement as the database functions would have known that 1 OR 1=1 is not a valid lite...
Strtotime() doesn't work with dd/mm/YYYY format
... haven't found a better solution. You can use explode(), preg_match_all(), etc.
I have a static helper function like this
class Date {
public static function ausStrToTime($str) {
$dateTokens = explode('/', $str);
return strtotime($dateTokens[1] . '/' . $dateTokens[0] . '/' . $...
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...泄露告警或控制石油管道阀门的命令，就必须要在网络有问题的情况下也要能确保发送成功。
myriota这家提供物联网数据LEO卫星传输服务的公司，流量报价是1M字节的数据500美元/月。因此，每次传输节省几个字节也能省不少...