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Git says “Warning: Permanently added to the list of known hosts”
... default ~/.ssh/id_rsa) key to connect to a server. As @JeremiahGowdy mentioned, I have debug3: load_hostkeys: loading entries for host "172.16.3.101" from file "/dev/null". Why does SSH starts using /dev/null as known_hosts after I changed key?
– m-ric
Jun 13 ...
How to create a simple map using JavaScript/JQuery [duplicate]
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function MyObject(name) {
this.name = name;
};
var key1 = new MyObject("one");
var key2 = new MyObject("two");
var map = {};
map[key1] = 1;
map[key2] = 2;
If you were expecting that Object would behave in the same way as a Java Map here, you would be rather miffed to discover that map only con...
What is “android:allowBackup”?
...nings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the q...
Android SQLite: nullColumnHack parameter in insert/replace methods
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INSERT INTO foo;
That's not valid in SQLite. You have to have at least one column specified:
INSERT INTO foo (somecol) VALUES (NULL);
Hence, in the case where you pass an empty ContentValues to insert(), Android and SQLite need some column that is safe to assign NULL to. If you have several s...
Single controller with multiple GET methods in ASP.NET Web API
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how about adding one more method - Get(int id, string name) ? ...it fails
– Anil Purswani
Jun 24 '13 at 9:45
1
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Fastest way to copy file in node.js
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This is a good way to copy a file in one line of code using streams:
var fs = require('fs');
fs.createReadStream('test.log').pipe(fs.createWriteStream('newLog.log'));
In node v8.5.0, copyFile was added
const fs = require('fs');
// destination.txt will be c...
How to reshape data from long to wide format
... @indra_patil - I would likely use the reshape2 package as indicated in one of the other answers. You could create a new question that's specific to your use case and post it if you can't figure it out.
– Chase
Feb 10 '16 at 3:16
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Android - drawable with rounded corners at the top only
...g upon busylee's answer, this is how you can make a drawable that only has one unrounded corner (top-left, in this example):
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="r...
Mapping over values in a python dictionary
... @chiborg: that's because rather than look up all key-value pairs in one go, you are now using number-of-keys times my_dictionary.__getitem__ calls.
– Martijn Pieters♦
Oct 15 '14 at 15:21
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How can I unit test a GUI?
...typically try to abstract as much logic out of the actual GUI as possible. One very popular article about this is "The Humble Dialog Box" by Michael Feathers. Personally I've had mixed experiences with trying to move logic out of the UI - sometimes it's worked very well, and at other times it's been...