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std::string formatting like sprintf
...he desired length of the char array using a special condition in snprintf. From cppreference.com:
Return value
[...] If the resulting string gets truncated due to buf_size limit,
function returns the total number of characters (not including the
terminating null-byte) which would have b...
How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
.htaccess rewrite to redirect root URL to subdirectory
...ically, it redirects the root and only the root URL.
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Proper way to catch exception from JSON.parse
...%2fstackoverflow.com%2fquestions%2f4467044%2fproper-way-to-catch-exception-from-json-parse%23new-answer', 'question_page');
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Why does .NET use banker's rounding as default?
...own the page. Although I quite like the rep boost I get about once a week from this answer.
– Kibbee
Sep 9 '11 at 14:13
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How to Implement DOM Data Binding in JavaScript
...Very clean approach, very simply put and simple enough for people to learn from, a lot cleaner than what I had. A common use case is using templates in code to represent objects' views. I was wondering how this might work here? In engines like Mustache I do something Mustache.render(template,object)...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
I've been getting the same old error every time I test a new URL from my browser's address bar when I'm returning Json (using the built-in MVC JsonResult helper ):
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Mercurial move changes to a new branch
...3 # convert revisions to patches
hg qpop -a # remove all them from history
hg branch new # start a new branch
hg qpush -a # push them all back into history
hg qfin -a # finalize the patches
...
How to detect my browser version and operating system using JavaScript?
...-date, unless you use some sort of global database to get that information from; since this is entirely proprietary. Maybe some day, Google, W3 etc. will offer an API to crowdsource and make publicly available all the different system names and their relations that they gather from their users.
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Using git repository as a database backend
...y time a users logs in, he occupies one "worker", pulling there his branch from main repo, and, as he logs out, he frees the "worker", which does clever git hard reset to become yet again just a main repo clone, ready to be used by another user logging in. Does not help much with disc usage (it's st...