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How to simulate the environment cron executes a script with?
...an source a script where you define your environment before the scheduling table in the crontab.
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Good Free Alternative To MS Access [closed]
...end with the forms/queries/reports (i.e., UI objects) and a back end (data tables only).
It's clear that what is needed here is a database application development tool like Access. None of the database-only answers are in any way responsive to that.
Please learn about Access before answering Acce...
Convert a Scala list to a tuple?
...e of Scala sequence using the +: syntax. Also, don't forget to add a catch-all
– ig-dev
Jun 19 '19 at 8:33
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How to clear MemoryCache?
...clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way?
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What's the algorithm to calculate aspect ratio?
...re that's been changed from 16:9 to 5:4 - I still remember the incredibly tall, thin cowboys I used to watch in my youth on television before letter-boxing was introduced. You may be better off having one different image per aspect ratio and just resize the correct one for the actual screen dimensio...
How to get instance variables in Python?
Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code:
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What is a good regular expression to match a URL? [duplicate]
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I changed your expression a bit so it will work in all cases i need, including uri with http:// or www "/([^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/gi"
– Ismael
Jan 14 '15 at 11:08
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Writing a pandas DataFrame to CSV file
... to_csv has arguments you can pass to address these requirements.
Here's a table listing some common scenarios of writing to CSV files and the corresponding arguments you can use for them.
Footnotes
The default separator is assumed to be a comma (','). Don't change this unless you know you need t...
How do I create a random alpha-numeric string in C++?
... the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do wonders:
#include <iostream>
#include <ctime>
#include <unistd.h>
using namespace std;
string gen_random(const int len) {
string tmp_s;
static const char alphanum[] =
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Find running median from a stream of integers
...based solution works is explained below:
For the first two elements add smaller one to the maxHeap on the left, and bigger one to the minHeap on the right. Then process stream data one by one,
Step 1: Add next item to one of the heaps
if next item is smaller than maxHeap root add it to maxHea...