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what's data-reactid attribute in html?
...eractions. Typically via javascript. They do not affect anything regarding site behavior and stand as a convenient method to pass data for whatever purpose needed. Here is an article that may clear things up:
http://ejohn.org/blog/html-5-data-attributes/
You can create a data attribute by prefixin...
How does origin/HEAD get set?
I have a branch set up to track a ref in origin. git checkout <branchname> switches to that branch, and a git status will show me how far ahead or behind my branch is from origin, but I'm surprised that origin/HEAD still points at origin/master , and not origin/<branchname>
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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similar explanation was given earlier in this site: stackoverflow.com/a/19829715
– qdinar
Jun 9 '17 at 13:35
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How to implement an STL-style iterator and avoid common pitfalls?
...ree to go back in time and add that information to the 2011 version of the site. ;-)
– Christian Rau
May 23 '19 at 11:01
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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...
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...
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"
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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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