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How can I get the corresponding table header (th) from a table cell (td)?
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Pure JavaScript's solution:
var index = Array.prototype.indexOf.call(your_td.parentNode.children, your_td)
var corresponding_th = document.querySelector('#your_table_id th:nth-child(' + (index+1) + ')')
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How to find and turn on USB debugging mode on Nexus 4
... see the option for USB debugging mode in Nexus 4 or Android 4.2 or higher OS, do the following:
Open up your device’s “Settings”. This can be done by pressing the
Menu button while on your home screen and tapping “System settings”
Now scroll to the bottom and tap “About phone” or ...
View list of all JavaScript variables in Google Chrome Console
...me point from Object.prototype, but for example in other implementations -JScript, BESEN, DMDScript, etc...- it doesn't, so window.hasOwnProperty doesn't exist, to test it we can: Object.prototype.isPrototypeOf(window);
– Christian C. Salvadó
Oct 1 '10 at 22:3...
How does one remove an image in Docker?
I'm running Docker under Vagrant under OS X 10.8.4 (Mountain Lion), and whenever I try to delete a saved image, I get an error:
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How to create a cron job using Bash automatically without the interactive editor?
...r (crontab -e). If so, What would be the code create a cronjob from a Bash script?
20 Answers
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Using a .php file to generate a MySQL dump
... I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself.
That external command will :
be a call to mysqldump, with the ri...
Git Remote: Error: fatal: protocol error: bad line length character: Unab
... .bashrc that produces output. I, for example had this:
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
rvm use ruby-1.9.3-p194@rails32
In this case the output from the rvm use will be (wrongly) interpreted as coming from git. So replace it by:
rvm use ruby-1.9.3-p19...
How can i take an UIImage and give it a black border?
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With OS > 3.0 you can do this:
//you need this import
#import <QuartzCore/QuartzCore.h>
[imageView.layer setBorderColor: [[UIColor blackColor] CGColor]];
[imageView.layer setBorderWidth: 2.0];
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Convert JSON String To C# Object
...his.test = test; }
}
Then your deserialization code would be:
JavaScriptSerializer json_serializer = new JavaScriptSerializer();
Test routes_list =
(Test)json_serializer.DeserializeObject("{ \"test\":\"some data\" }");
More information can be found in this tutorial:
http://w...
Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
...same errors, then I tested on a Nexus S (also by Samsung, but pure Android OS without TouchWiz) and I didn't get this error.
So, in your case, just ignore these errors while testing on a device! :)
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