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How to escape a single quote inside awk
...nes. The '{printf $2}' gets turned into some argument for an execve system call or similar, where it just looks like a null terminated C string without any single quotes. Awk never sees the quotes, and neither does sed. You can in fact use double-quotes, but double quotes do not prevent the shell's...
How to set SQL Server connection string?
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.NET DataProvider -- Standard Connection with username and password
using System.Data.SqlClient;
SqlConnection conn = new SqlConnection();
conn.ConnectionString =
"Data Source=ServerName;" +
"Initial Catalog=DataBaseName;" +
"User...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
...您参阅部署终端服务器指南 (http://go.microsoft.com/fwlink/?LinkID=34627) 和 Windows Server 2003 终端服务器授权问题和部署要求 (http://go.microsoft.com/fwlink/?LinkID=23444)。
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· 由于无法升级或续订本地计算机的客户端...
sed: print only matching group
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You can extract a group from a pattern with piped grep -o calls. stackoverflow.com/a/58314379/117471
– Bruno Bronosky
Oct 10 '19 at 1:54
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Find first element by predicate
...t .findFirst returns. One of the uses of Optional is to help developers avoid having to deal with nulls. e.g. instead of checking myObject != null, you can check myOptional.isPresent(), or use other parts of the Optional interface. Did that make it clearer?
– AMTerp
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Pass an array of integers to ASP.NET Web API?
...mUri] before parameter, looks like:
GetCategories([FromUri] int[] categoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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How to insert text into the textarea at the current cursor position?
...is snippet could help you with it in a few lines of jQuery 1.9+: http://jsfiddle.net/4MBUG/2/
$('input[type=button]').on('click', function() {
var cursorPos = $('#text').prop('selectionStart');
var v = $('#text').val();
var textBefore = v.substring(0, cursorPos);
var textAfter = v...
How to percent-encode URL parameters in Python?
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Thanks you, both worked great. urlencode just calls quoteplus many times in a loop, which isn't the correct normalization for my task (oauth).
– Paul Tarjan
Nov 8 '09 at 9:14
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How can I make a JUnit Test wait?
...nds your test is going to fail.
To remedy this JayWay has a great utility called Awatility which is perfect for ensuring that a specific condition occurs before you move on.
It has a nice fluent api as well
await().until(() ->
{
return yourConditionIsMet();
});
https://github.com/jayw...
SQL Server - transactions roll back on error?
... xact_abort on before your transaction to make sure sql rolls back automatically in case of error.
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