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Boolean vs tinyint(1) for boolean values in MySQL
...nged a non nullable bit(1) to a nullable tinyint(1) by using the following script:
ALTER TABLE TableName MODIFY Setting BOOLEAN null;
Then Dapper started throwing Exceptions. I tried to look at the difference before and after the script. And noticed the bit(1) had changed to tinyint(1).
I then r...
Return positions of a regex match() in Javascript?
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var str = 'my string here';
var index = str.match(/here/).index;
alert(index); // <- 10
I have successfully tested this all the way back to IE5.
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(Deep) copying an array using jQuery [duplicate]
...r is a copy, not a reference... so if you did this next...
bar.push('f');
alert('foo:' + foo.join(', '));
alert('bar:' + bar.join(', '));
you would now get:
foo:a, b, c, d, e
bar:a, b, c, d, e, f
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Detect Click into Iframe using JavaScript
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The above script is used by me to detect clicks away from my site. Most advertising networks now serve banners in frames. If you click one and then quickly another one before you left on the first click, technically I want to know the ...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...e-vs-queryselectorall/25. Conclusion : one should far more prefer pure javascript than jquery, and the specific functions getElementById and getElementsByClassName. The className selection can be few hundreds times slower without getElementsByClassName.
– Atrahasis
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JavaScript: filter() for Objects
...type
Object.prototype.extended = "I'm everywhere!";
// See the result
alert( {}.extended ); // "I'm everywhere!"
alert( [].extended ); // "I'm everywhere!"
alert( new Date().extended ); // "I'm everywhere!"
alert( 3..extended ); // "I'm everywhere!"
alert( true.exten...
Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
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创业者只需要一种素质：成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...
...吧。的确，“6个月”常常被用来指代创业公司埋头苦干开发产品的那个阶段，要在6个月里坚持不懈，克服困难，把自己的梦想变为现实，别说那些高精尖的科技产品，就像小零食这样的产品，笔者就看到一位创业的朋友用了半...
jquery - return value using ajax result on success
... return data;
},
error: function() {
alert('Error occured');
}
});
}
Another possibility (which is effectively the same thing) is to call a function inside your success: callback that passes the data when it is available.
function isSession(select...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...ning the text "foo". The handler is an anonymous function that pops up an alert() .
13 Answers
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