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How to make a SIMPLE C++ Makefile
...hat is, it takes care of knowing what commands need to be executed in what order to take your software project from a collection of source files, object files, libraries, headers, etc., etc.---some of which may have changed recently---and turning them into a correct up-to-date version of the program...
What is the preferred syntax for defining enums in JavaScript?
... some assumptions can no longer be made (that value represents the correct order for the size for example).
Remember, in JavaScript an object is just like a map or hash table. A set of name-value pairs. You can loop through them or otherwise manipulate them without knowing much about them in advan...
How to access the first property of a Javascript object?
... access also other properties by indexes. Be aware tho! Object.keys return order is not guaranteed as per ECMAScript however unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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How do I force Postgres to use a particular index?
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I even had to set random_page_cost = 0.1 in order to make index scan work on large (~600M rows table) in Pg 10.1 on Ubuntu. Without the tweak, seq scan (despite being parallel) was taking 12 mins (Note that Analyze table was performed!). Drive is SSD. After the tweak,...
How to detect DIV's dimension changed?
... slow as hell. A requestAnimationFrame that checks for a simple boolean is orders of magnitude faster than a setTimeout checking all the time against DOM properties. Beside that setTimeout is also called every few milliseconds.
– Marc J. Schmidt
Mar 17 '16 at 1...
Relative imports in Python 2.7
...ia sys.path . Additional code that manipulates sys.path would be needed in order for direct execution to work without the top level package already being importable." -- this is the most disturbing bit to me since this "additional code" is actually quite long and can't be stored elsewhere in package...
Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...bitrary user agent (e.g. a speech browser) should have that information in order to relate it to the user. At the least, the aspect ratio could prove useful ("image has a width of 15 and a height of 200"). Such user agents wouldn't necessarily process any CSS.
The spec says that the width and heigh...
.NET XML serialization gotchas? [closed]
...L through a web page (ASP.NET), you don't want to include the Unicode Byte-Order Mark. Of course, the ways to use or not use the BOM are almost the same:
BAD (includes BOM):
XmlTextWriter wr = new XmlTextWriter(stream, new System.Text.Encoding.UTF8);
GOOD:
XmlTextWriter wr = new XmlTextWriter(...
How to get CRON to call in the correct PATHs
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I used /etc/crontab. I used vi and entered in the PATHs I needed into this file and ran it as root. The normal crontab overwrites PATHs that you have set up. A good tutorial on how to do this.
The systemwide cron file looks like thi...
How does libuv compare to Boost/ASIO?
...o allows for applications to provide custom memory allocation functions in order to implement a memory allocation strategy for handlers.
Maturity
Boost.Asio
Asio's development dates back to at least OCT-2004, and it was accepted into Boost 1.35 on 22-MAR-2006 after undergoing a 20-day peer revi...