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Disable password authentication for SSH [closed]
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How do I add new keys to the server, while password authentication is disabled? Surely there is a way to do this, without having to turn password authentication on, every time someone want's to add a key...
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Where am I? - Get country
An android mobile actually does know quite well where it is - but is there a way of retrieving the country by something like a country code?
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Chrome sendrequest error: TypeError: Converting circular structure to JSON
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It means that the object you pass in the request (I guess it is pagedoc) has a circular reference, something like:
var a = {};
a.b = a;
JSON.stringify cannot convert structures like this.
N.B.: This would be the case with DOM nodes, which have circular references, even if they are not att...
How to detect incoming calls, in an Android device?
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Here's what I use to do this:
Manifest:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS"/>
<!--This part is inside the application--...
Fastest way to replace NAs in a large data.table
...emove_na(dt)
f_gdata = function(dt, un = 0) gdata::NAToUnknown(dt, un)
f_dowle = function(dt) { # see EDIT later for more elegant solution
na.replace = function(v,value=0) { v[is.na(v)] = value; v }
for (i in names(dt))
eval(parse(text=paste("dt[,",i,":=na.replace(",i,")]")))
}
system...
Vim search and replace selected text
...et's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else?
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Copy file or directories recursively in Python
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Actually exceptions do have one clear objective advantage in this case: it is entirely possible (although highly unlikely) that the type changes between the check and the call to the correct function.
– pafcu
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The name 'InitializeComponent' does not exist in the current context
...e namespace on my code behind file but not in my XAML.
So check if you've done the same.
The namespace and class names need to match since they are both part of a partial class
namespace ZZZ
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
pub...
Counting the number of True Booleans in a Python List
...icit about the intent, so there's no reason to use sum:
In [1]: import random
In [2]: x = [random.choice([True, False]) for i in range(100)]
In [3]: %timeit x.count(True)
970 ns ± 41.1 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
In [4]: %timeit sum(x)
1.72 µs ± 161 ns per lo...
How does Tortoise's non recursive commit work?
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Found by Google how to fix it: press F5 in the commit window (not in the "warning popup")
See http://tortoisesvn.tigris.org/ds/viewMessage.do?dsForumId=757&dsMessageId=2831045 for details.
On 26.08.2011 22:39, Ryan J Ollos wrote:
For several months now I've been ...