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How to retrieve the current version of a MySQL database management system (DBMS)?
...6 |
| version_compile_os | pc-linux-gnu |
+-------------------------+------------------------------------------+
5 rows in set (0.04 sec)
MySQL 5.0 Reference Manual (pdf) - Determining Your Current MySQL Version - page 42
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Is there a Python Library that contains a list of all the ascii characters?
... import string
>>> string.ascii_uppercase
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
If you want all printable characters:
>>> string.printable
'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&\'()*+,-./:;?@[\\]^_`{|}~ \t\n\r\x0b\x0c'
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In Intellij IDEA how do I replace text with a new line?
...line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
10 Answers
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指定组件的大小 · App Inventor 2 中文网
... parent: Size is chosen to fill the space available.
Size specified in pixels
Size in percent of Screen (not available for all components)
Since not all Android devices have the same screen size, it’s good to avoid specifying sizes numerically as pixels if possible.
The notions of Automati...
Is volatile expensive?
... down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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Simple way to create matrix of random numbers
I am trying to create a matrix of random numbers, but my solution is too long and looks ugly
13 Answers
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How to force ViewPager to re-instantiate its items [duplicate]
...e positions haven't changed. The "bug" here is the non-obvious and/or non-existent solution to refresh the visible items from client code.
– tad
Oct 5 '11 at 6:55
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...mber means the SHA(Secure Hash Algorithm) for the commit which is a long hexadecimal number which looks something like 886af3194768917c78e... You can see it by doing git log
You can see these commands (and others) with their descriptions by using rake -T db: which for rails 3.2 includes:
rake db:m...
Passing parameters in rails redirect_to
... You can't redirect with a POST. From the HTTP 1.1 docs under the 3xx definitions: "The action required MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're really trying to accompl...
The command rbenv install is missing
...ub.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
sudo ...