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Bootstrap 3 offset on right not left
...ition.
@if ($type == offset-right) {
.col-#{$class}-offset-right-#{$index} {
margin-right: percentage(($index / $grid-columns));
}
}
Modify the make-grid mixin in mixins/_grid-framework.scss to generate the offset-right classes.
// Create grid for specific class
@mixin m...
Creating JSON on the fly with JObject
...
You could use combination of index and property notation in case you hit field name having special character e.g. Create-Year". You will not b able to write jsonObject.Create-Year = 1995, but can use following. jsonObject["Create-Year"] = 1995; jsonObjec...
Explain the use of a bit vector for determining if all characters are unique
...bits (flag). Each bit in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector us...
Total memory used by Python process?
...# non-Linux?
# get VmKey line e.g. 'VmRSS: 9999 kB\n ...'
i = v.index(VmKey)
v = v[i:].split(None, 3) # whitespace
if len(v) < 3:
return 0.0 # invalid format?
# convert Vm value to bytes
return float(v[1]) * _scale[v[2]]
def memory(since=0.0):
'''Return...
How to implement a unique index on two columns in rails
I have a table and I'm trying to add a unique index on two columns. Those columns are also indexed. So my question is if I just can remove the indexes who were just for one column or if I have to use all three indexes:
...
Using socket.io in Express 4 and express-generator's /bin/www
...by defining module.exports as a function which accepts io as a parameter.
index.js
module.exports = function(io) {
var app = require('express');
var router = app.Router();
io.on('connection', function(socket) {
(...)
});
return router;
}
Then, pass io into the mod...
MySQL order by before group by
...
For scaling, the compound INDEX(post_author, post_date) is important.
– Rick James
Mar 1 '15 at 16:08
1
...
Algorithm to return all combinations of k elements from n
...hm 382: Combinations of M out of N Objects' (1970)
The algorithm in C...
Index of Combinations in Lexicographical Order (Buckles Algorithm 515)
You can also reference a combination by its index (in lexicographical order). Realizing that the index should be some amount of change from right to lef...
Ruby on Rails - Import Data from a CSV file
...nation of attributes that form a primary key, use that as the selector. No index is necessary, it will just make it faster.
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When saving, how can you check if a field has changed?
...value went from the base
new._loaded_remote_image = values[field_names.index('remote_image')]
return new
def save(self, force_insert=False, force_update=False, using=None,
update_fields=None):
if (self._state.adding and self.remote_image) or \
(not self._state.adding an...