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jQuery Ajax POST example with PHP

...$.ajax({ type: "POST", url: "<?php echo site_url('message_board/add');?>", data: $('#frm_message_board').serialize(), success: function(msg) { var msg = $.parseJSON(msg); if(msg.success=='ye...
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python: Change the scripts working directory to the script's own directory

...t be mashed into one big directory. Put your code in some known location (site-packages or /var/opt/udi or something) separate from your data. Use good version control on your code to be sure that you have current and previous versions separated from each other so you can fall back to previous ver...
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In Git, what is the difference between origin/master vs origin master?

...mple bangalore/master) goes, it is pointer to "master" commit on bangalore site . You see it in your clone. It is possible that remote bangalore has advanced since you have done "fetch" or "pull" share | ...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

...there is nothing to be thrown in there. The abstract code has only 2 call sites and it will be clone and inlined. There are more cases, just look up some articles on microbenchmark and it you decide to write a microbenchmark always check the generated assembly. – bestsss ...
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JOIN queries vs multiple queries

...specific case. It depends on a lot of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several. ...
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Catch a thread's exception in the caller thread in Python

...u get a nice nested set of stack traces, instead of just the stack for the site of the reraise. – aggieNick02 Oct 7 '19 at 19:35 ...
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What are the “standard unambiguous date” formats for string-to-date conversion in R?

... Well, not quite. As I answered in a few other questions on this site, mm-dd is not a date (neither is mm-yy or mm-yyyy). You cannot parse what it is not there. – Dirk Eddelbuettel May 23 at 18:44 ...
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Django connection to PostgreSQL: “Peer authentication failed”

This is the error I am receiving when I try to get to my Django admin site. I had been using MySQL database no problem. I am new to PostgreSQL, but decided to switch because the host I ultimately plan to use for this project does not have MySQL. ...
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How can I develop for iPhone using a Windows development machine?

... hackintosh info gets outdated pretty easily, it is better to follow the sites that are dedicated to the subject (like osxlatitude for dell models) – prusswan Oct 2 '14 at 7:26 ...
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?

... I believe I am experiencing this issue on a production site - the user agents associated with the issue correspond with IE 8,9,10 and 11. – millhouse Oct 1 '15 at 5:51 ...