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How to update SQLAlchemy row entry?
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stackoverflow.com/a/2334917/125507 says this is a bad way to do it. Also what if the row doesn't exist yet?
– endolith
Aug 2 '14 at 18:13
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Can you change what a symlink points to after it is created?
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106
AFAIK, no, you can't. You have to remove it and recreate it. Actually, you can overwrite a syml...
Pass a data.frame column name to a function
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You can just use the column name directly:
df <- data.frame(A=1:10, B=2:11, C=3:12)
fun1 &l...
Using do block vs braces {}
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102
Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind tha...
How to detect my browser version and operating system using JavaScript?
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10 Answers
10
Active
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...otoMakoto
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How do I check if a number is a palindrome?
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50 Answers
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How to disable scrolling temporarily?
...ed with scrolling.
[Working demo]
// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = {37: 1, 38: 1, 39: 1, 40: 1};
function preventDefault(e) {
e.preventDefault();
}
function preventDefaultForScrollKeys(e) {
if (keys[e.keyCode]) ...
Is the “struct hack” technically undefined behavior?
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edited Sep 14 '10 at 17:24
answered Sep 14 '10 at 17:18
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How can I get the list of a columns in a table for a SQLite database?
...a table_info(table_name) statement:
sqlite> pragma table_info(people);
0|first_name|varchar|0||0
1|last_name|varchar|0||0
2|email_address|varchar|0||0
For more information on the pragma statements, see the documentation.
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