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Iterate through pairs of items in a Python list [duplicate]
...e to iterate a list in the following way in Python (treat this code as pseudocode)?
5 Answers
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Using union and order by clause in mysql
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You can do this by adding a pseudo-column named rank to each select, that you can sort by first, before sorting by your other criteria, e.g.:
select *
from (
select 1 as Rank, id, add_date from Table
union all
select 2 ...
How can I mock requests and the response?
...
This is how you can do it (you can run this file as-is):
import requests
import unittest
from unittest import mock
# This is the class we want to test
class MyGreatClass:
def fetch_json(self, url):
response = requests.get(url)
...
Truncate all tables in a MySQL database in one command?
...te all the tables in a database in one operation? I want to know if I can do this with one single query.
27 Answers
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LINQ to Entities case sensitive comparison
...ly solution that you can apply on client side is to use LINQ to Objects to do yet another comparison which doesn't seem to be very elegant:
Thingies.Where(t => t.Name == "ThingamaBob")
.AsEnumerable()
.First(t => t.Name == "ThingamaBob");
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What makes Scala's operator overloading “good”, but C++'s “bad”?
..., for instance, get a pointer to that + function.
Scala on the other hand doesn't have operators in that way. It just has great flexibility in defining method names plus a bit of built in precedence for non-word symbols. So technically Scala doesn't have operator overloading.
Whatever you want t...
How to scale threads according to CPU cores?
...s the work off for that thread, and fires off the thread. Here's some psuedocode to demonstrate what I mean:
int processors = Runtime.getRuntime().availableProcessors();
for(int i=0; i < processors; i++) {
Thread yourThread = new AThreadYouCreated();
// You may need to pass in parameters de...
iPhone Debugging: How to resolve 'failed to get the task for process'?
...on for ad hoc distribution, and tried to run the app on the device (I have done this several times in the past, without any problem).
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How do I get logs/details of ansible-playbook module executions?
...pass the -v flag to ansible-playbook on the command line, you'll see the stdout and stderr for each task executed:
$ ansible-playbook -v playbook.yaml
Ansible also has built-in support for logging. Add the following lines to your ansible configuration file:
[defaults]
log_path=/path/to/logfile
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
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The best thing you can do is leave out the action attribute altogether. If you leave it out, the form will be submitted to the document's address, i.e. the same page.
It is also possible to leave it empty, and any browser implementing HTML's form s...