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How can I format a number into a string with leading zeros?
... example of formatting int
String.Format("{0:00000}", 15); // "00015"
or use String Interpolation:
$"{15:00000}"; // "00015"
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Escaping ampersand character in SQL string
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This works as well:
select * from mde_product where cfn = 'A3D"&"R01'
you define & as literal by enclosing is with double qoutes "&" in the string.
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MySQL pagination without double-querying?
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This post from the MySQL performance blog explains this further:
http://www.mysqlperformanceblog.com/2007/08/28/to-sql_calc_found_rows-or-not-to-sql_calc_found_rows/
For more information on optimising pagination, check this post and this post.
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How to add text to request body in RestSharp
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I would think req.AddParameter("application/x-www-form-urlencoded", body, ParameterType.RequestBody);
– Brian Rice
Nov 4 '13 at 6:37
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json.net has key method?
... has been made as public method in 11.0.1 release
Documentation - https://www.newtonsoft.com/json/help/html/M_Newtonsoft_Json_Linq_JObject_ContainsKey.htm
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Spring Data JPA - “No Property Found for Type” Exception
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I ran into this same issue and found the solution here: https://dzone.com/articles/persistence-layer-spring-data
I had renamed an entity property. But with Springs Automatic Custom Queries there was an interface defined for the old property name.
public interface IFooDAO extends JpaRepositor...
How can I get the current page's full URL on a Windows/IIS server?
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Can't install PIL after Mac OS X 10.9
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the suggested command brings up an error dialog from Apple. First it asks whether I want to Get XCode (which I have) or "Install". I choose install. It pops up a EULA, I accept, then an error dialog comes up: "Can't install the software b...
mysql: see all open connections to a given database?
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The command is
SHOW PROCESSLIST
Unfortunately, it has no narrowing parameters. If you need them you can do it from the command line:
mysqladmin processlist | grep database-name
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Merge PDF files
...l the write
# operation. Thanks to
# https://stackoverflow.com/questions/6773631/problem-with-closing-python-pypdf-writing-getting-a-valueerror-i-o-operation/6773733#6773733
for input_file in input_files:
input_streams.append(open(input_file, 'rb'))
writer...