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Query a parameter (postgresql.conf setting) like “max_connections”
... about each
parameter that are not directly available from SHOW, such as minimum
and maximum values.
For your original request:
SELECT *
FROM pg_settings
WHERE name = 'max_connections';
Finally, there is current_setting(), which can be nested in DML statements:
SELECT current_setting('m...
What is the meaning of “POSIX”?
...pes. I don't know exactly what is and isn't specified, but I know that at minimum Posix requires the existence of uint8_t, uint16_t, uint32_t and the corresponding signed types. I'm not sure if it guarantees that types like "int" have power-of-two sizes and that a system won't do something nasty l...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
... example:
The first set of brackets - ([0-9]+) - matches a string with a minimum of 1 character in length and with only numeric values (i.e. 0-9). This can be referenced with $1 in the right hand side of the rule
The second set of parentheses matches a string with a minimum of 1 character in lengt...
Format an Integer using Java String Format
... ... as a decimal integer
// │└─────── ... minimum of 3 characters wide
// └──────── ... pad with zeroes instead of spaces
See java.util.Formatter for more information.
...
How to set DialogFragment's width and height?
...t to your app's xml theme.
Be careful, as many dialogs do need the default minimum width to look good.
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- For Android Dialog. -->
<item name="android:dialogTheme">...
AES Encryption for an NSString on the iPhone
...
See this SO answer and it even has minimum error handling and handles both encryption and decryption. There is no need to extent the buffer on decryption, it is just less code not specializing with an additional if when there is little to be gained. In case ex...
What is the difference between encode/decode?
...ove is probably not correct for python 3.
Some good links:
The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)
Unicode HOWTO
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What are the benefits of learning Vim? [closed]
...
This is how I learnt it. Start with the minimum and build a little on it each day. Take the time to learn a slightly better way of achieveing a task. See the "7 habits of highly text editing" for inspiration.
– Ben
Mar 1 '09 a...
Difference between Array and List in scala
...re).
However, I think that the use of Arrays in Scala should be kept to a minimum because it feels like you really need to know what is going on under the hood to decide whether your array really will be backed by the required primitive type, or may be boxed as a wrapper type.
...
Java code To convert byte to Hexadecimal
... The byte data type is an 8-bit signed two's complement integer. It has a minimum value of -128 and a maximum value of 127 (inclusive). The byte data type can be useful for saving memory in large arrays, where the memory savings actually matters. They can also be used in place of int where their li...