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How to use 'find' to search for files created on a specific date? [closed]
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My version of find (GNU 4.2.32) doesn't seem to support the -newerXY predicates. Is there a particular minimum version needed? Or is it a case of compiling find with a special configure switch?
– yukondu...
Regular Expression for alphanumeric and underscores
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There's a lot of verbosity in here, and I'm deeply against it, so, my conclusive answer would be:
/^\w+$/
\w is equivalent to [A-Za-z0-9_], which is pretty much what you want. (unless we introduce unicode to the mix)
Using the + quantifier you'll match one or more characters. If you want...
What's the difference between a file descriptor and file pointer?
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+1 because you added memory-mapped files, since as of my current reading, the other answers have been supplied already.
– ernie.cordell
Feb 28 '14 at 16:17
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How to change column datatype in SQL database without losing data
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I guess I'd like to add a little clarification to my previous comment. If you are just doing this on your development machine, you are probably fine. But I would not advise using this method on a production database -- especially if it is a mission critical one.
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JPA: unidirectional many-to-one and cascading delete
... below
ParentRepository extends CrudRepository<T, ID>
Following are my entity class
@Entity(name = “child”)
public class Child {
@Id
@GeneratedValue
private long id;
@ManyToOne( fetch = FetchType.LAZY, optional = false)
@JoinColumn(name = “parent_id", nullable = ...
How do I add files and folders into GitHub repos?
...rked for me, thanks. But I am little bit unhappy about that... :) But made my day
– Christian Müller
Jul 9 at 11:17
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How to get the sizes of the tables of a MySQL database?
I can run this query to get the sizes of all tables in a MySQL database:
16 Answers
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How to declare a variable in MySQL?
How to declare a variable in mysql, so that my second query can use it?
7 Answers
7
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Are C++ enums signed or unsigned?
...lues of the defined enumerators, not the underlying type of the enum.
See my related question
Sign of C++ Enum Type Incorrect After Converting to Integral Type
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
... select top 1 object_id from sys.objects
where name = 'MyTable'
)
and name not in ('ColumnIDontWant1', 'ColumnIDontWant2')
FOR XML PATH('')
), 1, 2, ''
) + ']';
SELECT @query = 'select ' + @cols + ' from MyTable';
EXEC (@query);
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