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How do I send a JSON string in a POST request in Go
..."Buy cheese and bread for breakfast."}`)
req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
req.Header.Set("X-Custom-Header", "myvalue")
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil ...
What is the most compatible way to install python modules on a Mac?
... on a Mac mainly as well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble.
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Limit file format when using ?
I'd like to restrict the type of file that can be chosen from the native OS file chooser when the user clicks the Browse button in the <input type="file"> element in HTML. I have a feeling it's impossible, but I'd like to know if there is a solution. I'd like to keep solely to HTML and Jav...
Singletons vs. Application Context in Android?
Recalling this post enumerating several problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
What's the best way to send a signal to all members of a process group?
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As usual with almost any command, if you want a normal argument that starts with a - to not be interpreted as a switch, precede it with --: kill -- -GPID
– ysth
Dec 24 '08 at 21:47
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What is an Intent in Android?
... you did or want something to happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly. Think of it as a blast email to a bunch of friends, in which you tell your friend John to do something, or to friends who can do X ("intent filters"), to do X. The othe...
Error: could not find function … in R
...nctions.
If you have no clue about the package, you can use findFn in the sos package as explained in this answer.
RSiteSearch("some.function") or searching with rdocumentation or rseek are alternative ways to find the function.
Sometimes you need to use an older version of R, but run code created...
Remove tracking branches no longer on remote
Is there a simple way to delete all tracking branches whose remote equivalent no longer exists?
34 Answers
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Node.js on multi-core machines
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[This post is up-to-date as of 2012-09-02 (newer than above).]
Node.js absolutely does scale on multi-core machines.
Yes, Node.js is one-thread-per-process. This is a very deliberate design decision and eliminates the need to deal...
What goes into your .gitignore if you're using CocoaPods?
I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management.
...