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regex for zip-code
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edited Apr 5 '10 at 6:57
answered Apr 5 '10 at 6:45
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How can I validate a string to only allow alphanumeric characters in it?
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10 Answers
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Active
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...ng tree as an example.
The root of the tree is 7, the left most node is 0, the right most node is 10.
Pre-order traversal:
Summary: Begins at the root (7), ends at the right-most node (10)
Traversal sequence: 7, 1, 0, 3, 2, 5, 4, 6, 9, 8, 10
In-order traversal:
Summary: Begins at the lef...
Cassandra port usage - how are the ports used?
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@Schildmeijer is largely right, however port 7001 is still used when using TLS Encrypted Internode communication
So my complete list would be for current versions of Cassandra:
7199 - JMX (was 8080 pre Cassandra 0.8.xx)
7000 - Internode communication (not used if TLS ...
What does $$ mean in the shell?
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103
In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename...
What does the tilde (~) mean in my composer.json file?
... means next significant release. In your case, it is equivalent to >= 2.0, < 3.0.
The full explanation is at Tilde Version Range docs page:
The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, while ~1.2.3 is equivalent to >=1.2.3 <1.3.0.
Anoth...
Does a const reference class member prolong the life of a temporary?
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answered May 6 '10 at 20:36
PotatoswatterPotatoswatter
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How can I make my flexbox layout take 100% vertical space?
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You should set height of html, body, .wrapper to 100% (in order to inherit full height) and then just set a flex value greater than 1 to .row3 and not on the others.
.wrapper, html, body {
height: 100%;
margin: 0;
}
.wrapper {
display: flex;
flex-directio...
Camera orientation issue in Android
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There are quite a few similar topics and issues around here. Since you're not writing your own c...
How to add texture to fill colors in ggplot2
... Claus Wilke
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answered Jun 10 '10 at 1:08
AndreasAndreas
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