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How to work around the lack of transactions in MongoDB?
...ons do not impact performance for workloads that do not require them.
For more details see here.
Having distributed transactions, doesn't mean that you should model your data like in tabular relational databases. Embrace the power of the document model and follow the good and recommended practice...
How to generate a number of most distinctive colors in R?
...corresponding color names (there are only 433 colors in grDevices but many more hex codes)
– JelenaČuklina
Jul 13 '17 at 15:31
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
... of columns always add up to 12. It can be less than twelve, but beware if more than 12, as your offending divs will bump down to the next row (not .row, which is another story altogether).
You can also nest columns within columns, (best with a .row wrapper around them) such as:
<div class="col...
Private properties in JavaScript ES6 classes
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Why does C++11 not support designated initializer lists as C99? [closed]
...on C++ promotes.
On the other hand the designated initializers feature is more about exposing and making members easy to access directly in client code. This leads to things like having a person of age 18 (years?) but with height and weight of zero.
In other words, designated initializers suppor...
Express-js wildcard routing to cover everything under and including a path
... the connect router the * in a path is replaced with .+ so will match 1 or more characters.
https://github.com/senchalabs/connect/blob/master/lib/middleware/router.js
If you have 2 routes that perform the same action you can do the following to keep it DRY.
var express = require("express"),
a...
How to get rid of blank pages in PDF exported from SSRS
... was not (Body Width + Left margin + Right margin) <= (Page width) but more like (Body Width + Left margin + Right margin) < (Page width-1cm)
– Jafin
Mar 14 '12 at 0:57
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Best way to replace multiple characters in a string?
..."
Replacing 17 characters
Here's similar code to do the same but with more characters to escape (\`*_{}>#+-.!$):
def a(text):
chars = "\\`*_{}[]()>#+-.!$"
for c in chars:
text = text.replace(c, "\\" + c)
def b(text):
for ch in ['\\','`','*','_','{','}','[',']','(','...
Executing multiple commands from a Windows cmd script
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How to check iOS version?
...version as an indication of device or OS capabilities. There is usually a more reliable method of checking whether a particular feature or class is available.
Checking for the presence of APIs:
For example, you can check if UIPopoverController is available on the current device using NSClassFromS...