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Check if passed argument is file or directory in Bash
...to add a new answer to an old question when there are equivalent answers already available. If you have some startling new information to add, but all means give an answer. But what you've said has already been said. (test is normally a shell built-in, though there usually is also an executable suc...
What are CN, OU, DC in an LDAP search?
...tory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF), which is an alternate format.
You read it from right to left, the right-most component is the root of the tree, and the left most component is the node (or leaf) you want to re...
Save modifications in place with awk
...ing output). Therefore, by the time someprocess gets launched and wants to read from the file, there is no data for it to read.
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MongoDB Many-to-Many Association
...ns using MongoDB, Redis, and other NoSQL data stores by optimizing for the read use cases, while being considerate of the atomic write operations that need to be supported by the write use cases.
For instance, the uses of a "Users in Roles" domain follow:
Role - Create, Read, Update, Delete, List...
Hash and salt passwords in C#
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I've been reading that hashing functions like SHA256 weren't really intended for use with storing passwords:
https://patrickmn.com/security/storing-passwords-securely/#notpasswordhashes
Instead adaptive key derivation functions like P...
svn cleanup: sqlite: database disk image is malformed
...natively
You may be able to dump the contents of the database that can be read to a backup file, then slurp it back into an new database file:
sqlite3 .svn/wc.db
sqlite> .mode insert
sqlite> .output dump_all.sql
sqlite> .dump
sqlite> .exit
mv .svn/wc.db .svn/wc-corrupt.db
sqlite3 .sv...
What is the meaning of the term “thread-safe”?
Does it mean that two threads can't change the underlying data simultaneously? Or does it mean that the given code segment will run with predictable results when multiple threads are executing that code segment?
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How to erase the file contents of text file in Python?
...n python:
open('file.txt', 'w').close()
Or alternatively, if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
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Design patterns to avoid [closed]
...solutions. However it is instead much more interesting for a programmer to read up on design techniques and principles that lay the foundation for most of the patterns. In fact one of my favorite books on 'design patterns' stresses this by reiterating on what principles are applicable on the pattern...
Open and write data to text file using Bash?
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Explanation is never necessary when you already know the answer. To me the above code is not helpful due to lack of details.
– Søren Ullidtz
Jan 3 at 8:53
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