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How to force Chrome's script debugger to reload javascript?
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I've had that set all along, and now all of a sudden, I'm stuck with a certain file. Anyone find a solution?
– IronicMuffin
May 14 '12 at 13:25
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How to get image size (height & width) using JavaScript?
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You can programmatically get the image and check the dimensions using Javascript...
const img = new Image();
img.onload = function() {
alert(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';
This can be u...
Can we add a inside H1 tag?
...nt).
-->
<!ELEMENT (%heading;) - - (%inline;)* -- heading -->
And %inline; is:
<!ENTITY % inline "#PCDATA | %fontstyle; | %phrase; | %special; | %formctrl;">
And %special; includes <span>.
The current HTML has this to say:
Content contents
Phrasing content
And Ph...
Javascript - removing undefined fields from an object [duplicate]
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A one-liner using ES6 arrow function and ternary operator:
Object.keys(obj).forEach(key => obj[key] === undefined ? delete obj[key] : {});
Or use short-circuit evaluation instead of ternary: (@Matt Langlois, thanks for the info!)
Object.keys(obj).forEach(...
How do I iterate over a JSON structure? [duplicate]
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@AlexanderSupertramp it is set using array literal notation with objects in object literal notation. In JavaScript arrays are essentially also objects. So I would still refer to the arr is set using JSON.
– Y...
How to install pip for Python 3 on Mac OS X?
...all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is:
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How to run Rails console in the test environment and load test_helper.rb?
...ghtbot's "Factory Girl" gem, with is used to create objects to use in unit and other tests. I'd like to go to the console and run different Factory Girl calls to check out what's happening. For example, I'd like to go in there are do...
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Insert, on duplicate update in PostgreSQL?
...mple 38-2. Exceptions with UPDATE/INSERT
This example uses exception handling to perform either UPDATE or INSERT, as appropriate:
CREATE TABLE db (a INT PRIMARY KEY, b TEXT);
CREATE FUNCTION merge_db(key INT, data TEXT) RETURNS VOID AS
$$
BEGIN
LOOP
-- first try to update the key...
SQL injection that gets around mysql_real_escape_string()
..._escape_string - this makes no sense. It doesn't differ from (int) at all. And they will produce the same result for every input
– zerkms
Jul 24 '12 at 22:40
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JavaScript before leaving the page
...tring into its own confirmation box. Using confirm is useless in onunload and onbeforeunload, because only the browser can control where it goes, not you. Check out this demo: jsfiddle.net/3kvAC
– Rocket Hazmat
Aug 16 '11 at 15:10
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