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mysql - how many columns is too many?
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144
It's considered too many once it's above the maximum limit supported by the database.
The fac...
ASP.NET Web API Authentication
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137
allow a user to log in to the API
You need to send a valid Forms Authentication cookie al...
Java 8: performance of Streams vs Collections
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198
Stop using LinkedList for anything but heavy removing from the middle of the list using itera...
How do I disconnect all other users in tmux?
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edited Oct 10 '17 at 9:01
K Erlandsson
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
...P NOT NULL;
More details in the manual: http://www.postgresql.org/docs/9.1/static/sql-altertable.html
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Escape single quote character for use in an SQLite query
...abases expect it that way), so it would be :
INSERT INTO table_name (field1, field2) VALUES (123, 'Hello there''s');
Relevant quote from the documentation:
A string constant is formed by enclosing the string in single quotes ('). A single quote within the string can be encoded by putting two ...
Why doesn't print work in a lambda?
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188
A lambda's body has to be a single expression. In Python 2.x, print is a statement. However, i...
How to determine the longest increasing subsequence using dynamic programming?
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keep rsync from removing unfinished source files
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10
It seems to me the problem is transferring a file before it's complete, not that you're deletin...
Generating an MD5 checksum of a file
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491
You can use hashlib.md5()
Note that sometimes you won't be able to fit the whole file in memory...