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Export/import jobs in Jenkins
...ttp://<USER>:<API_TOKEN>@OLD_JENKINS/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb)')
$ CRUMB_NEW=$(curl -s 'http://<USER>:<API_TOKEN>@NEW_JENKINS/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,":",//crumb)')
Apply crumb with -H CRUMB:
$ curl -s -H...
What is the difference between String.Empty and “” (empty string)?
... and String.Empty is the same length, the compiler doesn't optimize string concatenation (see Eric Lippert's blog post) for String.Empty arguments. The following equivalent functions
string foo()
{
return "foo" + "";
}
string bar()
{
return "bar" + string.Empty;
}
generate this IL
.met...
How to remove illegal characters from path and filenames?
...s":
public string RemoveInvalidChars(string filename)
{
return string.Concat(filename.Split(Path.GetInvalidFileNameChars()));
}
You may instead want to replace them:
public string ReplaceInvalidChars(string filename)
{
return string.Join("_", filename.Split(Path.GetInvalidFileNameChars()...
Find and Replace text in the entire table using a MySQL query
...lace = "replace_with_this_text";
$loop = mysql_query("
SELECT
concat('UPDATE ',table_schema,'.',table_name, ' SET ',column_name, '=replace(',column_name,', ''{$find}'', ''{$replace}'');') AS s
FROM
information_schema.columns
WHERE
table_schema = '{$database}'")
o...
XPath to find elements that does not have an id or class
...ss, 'b'))]
Or if you want to be sure not to match partial.
//*[contains(concat(' ', normalize-space(@class), ' '), ' some-class ') and
not(contains(concat(' ', normalize-space(@class), ' '), ' another-class '))]
share
...
Drop multiple tables in one shot in mysql
...les to be deleted.
Get table using the below
For sql server - SELECT CONCAT(name,',') Table_Name FROM SYS.tables;
For oralce - SELECT CONCAT(TABLE_NAME,',') FROM SYS.ALL_TABLES;
Copy and paste the table names from the result set and paste it after the DROP command.
...
Delete the first three rows of a dataframe in pandas
... @M.K if using this approach, you can use this in combination with pd.concat(). Something like, df2 = pd.concat([df.iloc[:3],df.iloc[10:]]).
– bdiamante
Jun 26 '19 at 17:00
...
How to insert a character in a string at a certain position?
...
There is no loop, it's a simple concatenation case and compiler should optimize it using a string builder, for readability I prefer to use the + operator, there is no need in this case to use StringBuilder explicitly. Using "StringBuilder" solution because ...
ASP.NET MVC Razor Concatenation
...
I prefer:
<li id="@String.Concat("item_", item.TheItemId)">
The verbosity tells the support developers exactly what is happening, so it's clear and easy to understand.
sh...
How to find all tables that have foreign keys that reference particular table.column and have values
... name, which is required in some cases (e.g. drop constraint):
SELECT
CONCAT(table_name, '.', column_name) AS 'foreign key',
CONCAT(referenced_table_name, '.', referenced_column_name) AS 'references',
constraint_name AS 'constraint name'
FROM
information_schema.key_column_usage
WHER...