大约有 15,700 项符合查询结果（耗时：0.0260秒） [XML]
How to pass the password to su/sudo/ssh without overriding the TTY?
...could try ruby -e "require 'net/ssh' ; Net::SSH.start('example.com', 'test_user', :password => 'secret') do |ssh| puts 'Logged in successfully' ; while cmd=gets ; puts ssh.exec!(cmd) ; end end"
– user1158559
Nov 16 '12 at 9:45
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How do I set default values for functions parameters in Matlab?
...or isempty(myParameterName)
MyParameterName = defaultValue;
elseif (.... tests for non-validity of the value actually provided ...)
error('The sky is falling!')
end
Ok, so I would generally apply a better, more descriptive error message. See that the check for an empty variable allows the user...
Status bar won't disappear
I'm creating an application and I want the status bar hidden. When I test the app, the status bar is hidden whilst the splash screen is shown, but once the app is fully loaded, the status bar reappears.
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Using LINQ to concatenate strings
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Made a test with 10.000.000 iterations, aggregate took 4.3 secs and string.join took 2.3 secs. So I would say the perf diff is unimportant for 99% of common use cases. So if you're already doing a lot of linq to process your data, t...
Reflection: How to Invoke Method with parameters
...ject for this to work. I have a class like below
//Assembly.dll
namespace TestAssembly{
public class Main{
public void Hello()
{
var name = Console.ReadLine();
Console.WriteLine("Hello() called");
Console.WriteLine("Hello" + name + " at " + ...
Split data frame string column into multiple columns
... it returns nothing. What could be the problem. my type is something like "test...score"
– user3841581
Mar 14 '16 at 8:15
2
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How to output git log with the first line only?
...e after the first line. The command above usually works for me, but I just tested on a commit without empty second line. I got the same result as you: the whole message on one line.
Empty second line is a standard in git commit messages. The behaviour you see was probably implemented on purpose.
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Is it possible to disable the network in iOS Simulator?
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+1 : I've used Little Snitch for exactly this purpose, testing to make sure a Simulated app works if the network connection is broken.
– hotpaw2
Jan 26 '11 at 19:41
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Counting null and non-null values in a single query
...ct.
SELECT COUNT(A) NOT_NULL, COUNT(*) - COUNT(A) NULLS
FROM US
In some testing on my system, it costs a full table scan.
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How do I return early from a rake task?
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I used next approach suggested by Simone Carletti, since when testing rake task, abort, which in fact is just a wrapper for exit, is not the desired behavior.
Example:
task auto_invoice: :environment do
if Application.feature_disabled?(:auto_invoice)
$stderr.puts 'Feature is dis...