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Replace spaces with dashes and make all letters lower-case
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edited Aug 7 '15 at 11:36
jolyonruss
1,46811 gold badge1616 silver badges2929 bronze badges
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Create boolean column in MySQL with false as default value?
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You have to specify 0 (meaning false) or 1 (meaning true) as the default. Here is an example:
create table mytable (
mybool boolean not null default 0
);
FYI: boolean is an alias for tinyint(1).
Here is the proof:
mysql> create table mytable (
->...
What's the difference between `=` and `
I'm using R 2.8.1 and it is possible to use both = and <- as variable assignment operators. What's the difference between them? Which one should I use?
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Ruby array to string conversion
I have a ruby array like ['12','34','35','231'] .
12 Answers
12
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What do column flags mean in MySQL Workbench?
...on-negative numbers only. so if the range is -500 to 500, instead its 0 - 1000, the range is the same but it starts at 0)
UQ - Create/remove Unique Key
ZF - Zero-Filled (if the length is 5 like INT(5) then every field is filled with 0’s to the 5th digit. 12 = 00012, 400 = 00400, etc. )
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How to check identical array in most efficient way? [duplicate]
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151
So, what's wrong with checking each element iteratively?
function arraysEqual(arr1, arr2) {
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How to overwrite existing files in batch?
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152
Add /Y to the command line
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In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
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Use next:
(1..10).each do |a|
next if a.even?
puts a
end
prints:
1
3
5
7
9
For additional coolness check out also redo and retry.
Works also for friends like times, upto, downto, each_with_index, select, map and other itera...
CSS submit button weird rendering on iPad/iPhone
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edited Oct 17 '17 at 19:48
answered Mar 25 '11 at 22:09
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PHP - add item to beginning of associative array [duplicate]
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You could use the union operator:
$arr1 = array('key0' => 'value0') + $arr1;
or array_merge.
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