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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
... What is the trick stuff? Why not only doring a direct comparison like Timmys answer?
– Alex
Feb 9 '16 at 13:43
8
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How to select/get drop down option in Selenium 2
I am converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2?
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Add line break to ::after or ::before pseudo-element content
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I had to have new lines in a tooltip. I had to add this CSS on my :after :
.tooltip:after {
width: 500px;
white-space: pre;
word-wrap: break-word;
}
The word-wrap seems necessary.
In addition, the \A didn't work in the middle of the text to display, to force a new line.
&...
How do I read a text file of about 2 GB? [duplicate]
... I managed to run Glogg without rights to install programs on my Windows laptop as follows: download the Windows installer exe and instead of executing the installer exe, extract it (with e.g. 7-Zip). Inside the extracted root folder, run glogg.exe
– toongeorges
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Is there any performance reason to declare method parameters final in Java?
... @RAY you might be right, actually I don't have any data (beyond my own experience) to back up that claim.
– Dobes Vandermeer
Feb 23 '12 at 10:46
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Get the position of a div/span tag
...he elements so you get their size instead of simply preparing the DOM. In my experience, load results in fewer incorrectly Javascript positioned elements.
$(window).load(function(){
// Log the position with jQuery
var position = $('#myDivInQuestion').position();
console.log('X: ' + position...
Simple way to convert datarow array to datatable
...ful if you get the error message "An invalid data source is being used for MyControl. A valid data source must implement either IListSource or IEnumerable" when trying to bind a DataRow directly to the DataSource property of a control. Here's how to do it: DataTable dataTable = new DataTable(); dat...
hexadecimal string to byte array in python
...ually, hex_string.decode("hex") is working on Python 2.7. I just tested on my Python 2.7.10 (default, May 23 2015, 09:44:00) [MSC v.1500 64 bit (AMD64)] on win32.
– MewX
Oct 22 '17 at 1:10
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time.sleep — sleeps thread or process?
... That seems quite weird to me. And I meant 11 (not 5), sorry can't correct my comment now. I actually need some help understanding what point this answer is trying to make.
– akki
Aug 1 '17 at 5:55
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Cannot set boolean values in LocalStorage?
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My solutions:
function tytPreGetBool(pre) {
return localStorage.getItem(pre) === 'true';
}
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