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async/await - when to return a Task vs void?
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11
I'm a little confused as to why you recommend returning a Task instead of void. Like you said, f() will throw and exception but g() will no...
How to use GNU Make on Windows?
...and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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How can I update NodeJS and NPM to the next versions?
...documentation on Node.js and NPM installation and Upgrading NPM.
The following original answer is from the old FAQ that no longer exists, but should work for Linux and Mac:
How do I update npm?
npm install -g npm
Please note that this command will remove your current version of npm. Make...
Specify an SSH key for git push for a given domain
I have the following use case: I would like to be able to push to git@git.company.com:gitolite-admin using the private key of user gitolite-admin , while I want to push to git@git.company.com:some_repo using 'my own' private key. AFAIK, I can't solve this using ~/.ssh/config , because the user...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
...ABLE `foo` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`u` int(11) DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `u` (`u`)
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1
mysql> insert into foo (u) values (10) on duplicate key update u = 20;
mysql> select * from foo;
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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answered Jan 14 '12 at 11:58
MacmadeMacmade
47.4k1111 gold badges101101 silver badges120120 bronze badges
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Merge PDF files
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f.close()
if __name__ == '__main__':
if sys.platform == "win32":
import os, msvcrt
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
pdf_cat(sys.argv[1:], sys.stdout)
share
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Best way to make Java's modulus behave like it should with negative numbers?
...d not the exact mod operator, and your x's do not cluster near 0, the following will be even faster, as there is more instruction level parallelism and the slow % computation will occur in parallel with the other parts as they do not depend on its result.
return ((x >> 31) & (n - 1)) + (...
How to do a simple file search in cmd
... to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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How to export a Vagrant virtual machine to transfer it
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// , I tried it, but I got the errors at the following link when I copied over my VirtualBoxVMs directory over to ~/VirtualBox\ VMs, and ran vagrant box list: 0bin.net/paste/iCiaqNhU-i3bbfY2#-KDiXYcRFni1RNgNJhOBrIs/…
– Nathan Basanese
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