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Suppress command line output
...lue of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful because there are subtle differences between the shell syntax and CMD.EXE.
Update: I know the OP understands the special nature of the "file" named NUL I'm...
brew install mysql on macOS
I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 .
16 Answers
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Apache Spark: The number of cores vs. the number of executors
...orked example of configuring a Spark app to use as much of the cluster as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.nodemanager.resource.cpu-vcores, should ...
static linking only some libraries
...applies the same way to static and dynamic linking
– osvein
Jun 29 '19 at 8:05
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How do I enter RGB values into Interface Builder?
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Click on the color slider icon, and then choose "RGB Sliders" from the drop-down list.
You can also use the magnifying-glass as a color picker to pick up an exact color from anywhere on the screen; also see @ken's excellent comment below clarifying how colorspaces wor...
Inspect element that only appear when other element is mouse overed/entered
...ecords a portion of the screen directly in a super-optimized GIF. Windows, OS X and Linux.
– fregante
Jul 17 '14 at 7:26
2
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Expand/collapse section in UITableView in iOS
...t of its section, just like the regular Apple section headers. that's not possible if you simply add a cell at the beginning of the section
– user102008
Apr 20 '11 at 22:25
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
I have a socket server that is supposed to receive UTF-8 valid characters from clients.
9 Answers
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MVC pattern on Android
Is it possible to implement the model–view–controller pattern in Java for Android?
21 Answers
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How do I write a bash script to restart a process if it dies?
...ps! Don't ever do this.
ps is very unportable. While you find it on almost every UNIX system; its arguments vary greatly if you want non-standard output. And standard output is ONLY for human consumption, not for scripted parsing!
Parsing ps leads to a LOT of false positives. Take the ps aux |...