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TortoiseSVN允许修改日志的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...录下加入一个批处理文件：pre-revprop-change.bat
@ECHO OFF
set repos=%1
set rev=%2
set user=%3
set propname=%4
set action=%5
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: Only allow changes to svn:log. The author, date and other revision
:: properties...
How to list all installed packages and their versions in Python?
...import pkg_resources [print(d.project_name) for d in pkg_resources.working_set]
– Almenon
Jul 14 '18 at 23:16
What's t...
Remove items from one list in another
... Just be careful when using Except as this actually performs a set operation, which distincts the resulting list. I was not expecting this behaviour as I am using a List, not a HashSet. Related.
– logan
Mar 2 '16 at 20:27
...
Multiple submit buttons in an HTML form
Let's say you create a wizard in an HTML form. One button goes back, and one goes forward. Since the back button appears first in the markup when you press Enter , it will use that button to submit the form.
...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...
UPDATE sourcecodes_tags SET sourcecode_id = NULL WHERE sourcecode_id NOT IN (SELECT id FROM sourcecodes) should help to get rid of those IDs. Or if null is not allowed in sourcecode_id, then remove those rows or add those missing values to the sourc...
How can I use optional parameters in a T-SQL stored procedure?
...trade-off between effort and results. In practice, there might be a common set of parameter combinations that can be targeted with bespoke queries, then a generic query (as per the other answers) for all other combinations.
CREATE PROCEDURE spDoSearch
@FirstName varchar(25) = null,
@LastNa...
What is the maximum possible length of a .NET string?
...
It's ALSO worth noting that StringBuilder allows you to set the initial size. Useful if you know you're going to be using 10,000,000 entries ahead of time, allowing you to ignore some of the crunch.
– Kyle Baran
Aug 29 '14 at 15:53
...
Keyboard shortcuts in WPF
...his way to add keyboard shortcut to an existing event: RoutedCommand cmndSettings = new RoutedCommand(); cmndSettings.InputGestures.Add(new KeyGesture(Key.S, ModifierKeys.Control)); CommandBindings.Add(new CommandBinding(cmndSettings, mnuSettings_Click));
– itsho
...
How Do I Fetch All Old Items on an RSS Feed?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Formatting a number with exactly two decimals in JavaScript
I have this line of code which rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following?
...