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Mysql command not found in OS X 10.7
...r/mysql/private/var/mysql/bin.
$PATH is where the shell searches for command files. Folders to search in need to be separated with a colon. And so you want /usr/local/mysql/bin/ in your path but instead it searches in /usr/local//usr/local/mysql/bin/private/var/mysql/private/var/mysql/bin, which p...
Changing one character in a string
...code capable applications in C. But you have to care about it all the time and need to test it explicitly to avoid trouble. Everything is machine-oriented. I worked with PHP before learning Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part o...
BLE UUID是对的但连接闪退：java.lang.IllegalArgumentException: UUID str...
...ntor.ble.BluetoothLEint$BLEReadOperation.run(BluetoothLEint.java:325)
at android.os.Handler.handleCallback(Handler.java:958)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loopOnce(Looper.java:224)
at android.os.Looper.loop(Looper.java:318)
at android.app.Activ...
In-place edits with sed on OS X
I'd like edit a file with sed on OS X. I'm using the following command:
6 Answers
6
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Abusing the algebra of algebraic data types - why does this work?
...ely, all unit types. They behave identically under algebraic manipulations and, more importantly, the amount of information present is still preserved.
You probably want a zero type as well. Haskell provides that as Void. There are no values whose type is zero, just as there is one value whose type ...
Redirecting to URL in Flask
I'm new to Python and Flask and I'm trying to do the equivalent of Response.redirect as in C# - ie: redirect to a specific URL - how do I go about this?
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Using Caps Lock as Esc in Mac OS X
...he System Preferences, choose Keyboard, then the Keyboard Tab (first tab), and click Modifier Keys:
In the popup dialog set Caps Lock Key to No Action:
2) Now, click here to download Seil and install it:
3) After the installation you will have a new Application installed ( Mountain Lion an...
Upgrade Node.js to the latest version on Mac OS
...w I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there any step that I have missed? Or, should I thoroughly uninstal...
What is the difference between String.Empty and “” (empty string)?
In .NET, what is the difference between String.Empty and "" , and are they interchangable, or is there some underlying reference or Localization issues around equality that String.Empty will ensure are not a problem?
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Linq: GroupBy, Sum and Count
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I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group.
I think you just want:
List<ResultLine> result = Lin...