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Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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Java: how do I get a class literal from a generic type?
... for concrete parameterized types?
Because parameterized type has no exact runtime type representation.
A class literal denotes a Class
object that represents a given type.
For instance, the class literal
String.class denotes the Class
object that represents the type
String and i...
Git: How to rebase to a specific commit?
...tLab says something else. If I had 10 commits behind, 5 commits ahead, my expectation was to have 8 commits behind, 5 commits ahead after getting 2 commits. But instead of this it adds more commits to those 5.
– ROMANIA_engineer
Apr 30 '19 at 8:45
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C++11 range based loop: get item by value or reference to const
Reading some examples of range based loops they suggest two main ways 1, 2, 3, 4
4 Answers
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How to print the ld(linker) search path
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You can do this by executing the following command:
ld --verbose | grep SEARCH_DIR | tr -s ' ;' \\012
gcc passes a few extra -L paths to the linker, which you can list with the following command:
gcc -print-search-dirs | sed '/^lib/b 1;d;:1;...
Check if something is (not) in a list in Python
...e container type that could be less efficient, or even incorrect. See for example bloom filters.
– orlp
May 2 '12 at 0:24
15
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SQL Client for Mac OS X that works with MS SQL Server [closed]
How can I connect to a remote SQL server using Mac OS X? I don't really need a GUI, but it would be nice to have for the color coding and resultset grid. I'd rather not have to use a VM.
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Mac OS X - EnvironmentError: mysql_config not found
...me page as you:
You installed python
You did brew install mysql
You did export PATH=$PATH:/usr/local/mysql/bin
And finally, you did pip install MySQL-Python (or pip3 install mysqlclient if using python 3)
If you did all those steps in the same order, and you still got an error, read on to the en...
How do I add a foreign key to an existing SQLite table?
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You can't.
Although the SQL-92 syntax to add a foreign key to your table would be as follows:
ALTER TABLE child ADD CONSTRAINT fk_child_parent
FOREIGN KEY (parent_id)
REFERENCES parent(id);
SQLite doesn't support the ADD ...
CSS3 Rotate Animation
... {
position: absolute;
top: 50%;
left: 50%;
width: 120px;
height: 120px;
margin:-60px 0 0 -60px;
-webkit-animation:spin 4s linear infinite;
-moz-animation:spin 4s linear infinite;
animation:spin 4s linear infinite;
}
@-moz-keyframes spin { 100% { -moz-t...