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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables
...ve the seconds into the day if you want
NSDate *today = [NSDate date];
// All intervals taken from Google
NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0];
NSDate *thisWeek = [today dateByAddingTimeInterval: -604800.0];
NSDate *lastWeek = [today dateByAddingTimeInterval: -1209600.0]...
What's the opposite of 'make install', i.e. how do you uninstall a library in Linux?
...not touch the rest of the filesystem and so will not remove previously installed software.
If you're lucky, running make uninstall will work. It's up to the library's authors to provide that, however; some authors provide an uninstall target, others don't.
If you're not lucky, you'll have to manu...
Multiplication on command line terminal
...ered Jun 14 '12 at 19:29
We Are All MonicaWe Are All Monica
11.3k77 gold badges3939 silver badges6767 bronze badges
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How to install mongoDB on windows?
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a simple utube video for windows installation - youtube.com/watch?v=msQ2F5XUgms
– Linus
Apr 23 '17 at 2:41
1
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Error handling principles for Node.js + Express.js applications?
...
Error handling in Node.js is generally of the format A). Most callbacks return an error object as the first argument or null.
Express.js uses middleware and the middleware syntax uses B) and E) (mentioned below).
C) is bad practice if you ask me.
app.get('...
Insert code into the page context using a content script
...example one and two. If you don't have to use chrome.* APIs, simply inject all of your JS code in the page by adding a <script> tag as shown below.
Safety warning:
A page may redefine or augment/hook a built-in prototype so your exposed code may fail if the page did it in an incompatible fashi...
How do I assign a port mapping to an existing Docker container?
...r/lib/docker/containers folder: stackoverflow.com/a/41226917/2048266, basically run screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty Once you get the tty running you can navigate to /var/lib/docker
– nommer
Jul 27 '18 at 20:2...
How do I parse a string with a decimal point to a double?
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Well, XmlConvert is not really intended to be used to parse a single double value in code. I prefer to use double.Parse or Convert.ToDouble that make my intention obvious.
– Mehrdad Afshari
Aug 30 '09 at 21:29
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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server:
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How to see which plugins are making Vim slow?
...:profile file *
" At this point do slow actions
:profile pause
:noautocmd qall!
(unlike quitting noautocmd is not really required, it just makes vim quit faster).
Note: you won’t get information about functions there were deleted before vim quit.
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