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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...ior is even wrongly described in the official Mysql Documentation.
If your script needs to be informed, if some records have not been added (due to key violations) you have to call mysql_info() and parse it for the "Duplicates" value.
...
Error handling in C code
...to call your error pointer as err and it must be the last argument. So the script can match the string err); then check if it's followed by if (*err. Actually in practice we made a macro called CER (check err return) and CEG (check err goto). So you don't need to type it out always when we just want...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement.
...
UITextField auto-capitalization type - iPhone App
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" view
Creating an API for mobile applications - Authentication and Authorization
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Event system in Python
...
I've been doing it this way:
class Event(list):
"""Event subscription.
A list of callable objects. Calling an instance of this will cause a
call to each item in the list in ascending order by index.
Example Usage:
>>> def f(x):
... print 'f(%s)' % x
...
How to ignore user's time zone and force Date() use specific time zone
...done, by simply using the gmt offset from one location. You don't need javascript at all in that case.
– Parris
May 5 '10 at 8:50
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What is the most compatible way to install python modules on a Mac?
...ny problems. I think you may be confused as to the use of certain MacPorts scripts and environment variables.
MacPorts python_select is used to select the "current" version of Python, but it has nothing to do with modules. This allows you to, e.g., install both Python 2.5 and Python 2.6 using MacPo...
What does Redis do when it runs out of memory?
...n ground to a halt (writes not possible, reads were possible), running PHP scripts stopped dead in their tracks mid-way and had to be kill -9'd manually (even after memory was made available).
I assumed data loss (or data inconsistency) had occurred so I did a flushdb and restored from backups. Les...
Does “display:none” prevent an image from loading?
...seful.
The image has a display:none style but its size may be read by the script.
Chrome v68.0 does not load images if the parent is hidden.
You may check it there : http://jsfiddle.net/tnk3j08s/
You could also have checked it by looking at the "network" tab of your browser's developer tools.
N...