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How to remove multiple deleted files in Git repository
...already has an entry matching <pathspec>. This removes as well as modifies index entries to match the working tree, but adds no new files. If no <pathspec> is given when -u option is used, all tracked files in the entire working tree are updated (old versions of Git used to limit the up...
Convert a list to a string in C#
...merable<T>)
Concatenates the members of a collection, using the specified separator between each member.
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Functional programming vs Object Oriented programming [closed]
...oose functional programming over object oriented?
When you anticipate a different kind of software evolution:
Object-oriented languages are good when you have a fixed set of operations on things, and as your code evolves, you primarily add new things. This can be accomplished by adding new clas...
Regular Expression to match only alphabetic characters
I was wondering If I could get a regular expression which will match a string that only has alphabetic characters, and that alone.
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Can I create a named default constraint in an add column statement in SQL Server?
...traints: When you execute this on various customer machines, you will get different/random names on each.
Any future upgrade script will be a real headache...
The general advise is:
No constraint without a name!
Use some naming convention e.g.
DF_TableName_ColumnName for a default constraint
CK_Ta...
How do I convert from BLOB to TEXT in MySQL?
...'t work. The charset needs to be utf16 or else it will result in data loss if it encounters a set of bytes that can't be converted to utf8. It will replace those bytes with a ? character resulting in data loss.
– Dean Or
Aug 12 '19 at 20:21
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What's the difference between [ and [[ in Bash? [duplicate]
...to the [ command. It has several enhancements that make it a better choice if you write scripts that target bash. My favorites are:
It is a syntactical feature of the shell, so it has some special behavior that [ doesn't have. You no longer have to quote variables like mad because [[ handles empty...
Is there a version control system for database structure changes?
....sql - the first for the schema and persistant data, and the second for modifications. Of course, both are under source control.
When the database changes, I first update the main schema in project-database.sql, then copy the relevant info to the project-updates.sql, for instance ALTER TABLE state...
How to retry after exception?
... while True:
try:
# do stuff
except SomeSpecificException:
continue
break
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What is the facade design pattern?
...a given problem in the best possible way.
The Facade design pattern simplifies the interface to a complex system; because it is usually composed of all the classes which make up the subsystems of the complex system.
A Facade shields the user from the complex details of the system and provides th...