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What is Haskell used for in the real world? [closed]
...ation is a really nice feature:
Even if something would usually cause an error, it will still work as long as you don't use the result. For example, you could put 1 / 0 as the first item of a list and it will still work if you only used the second item.
It is easier to write search programs such a...
python assert with and without parenthesis
...foo == 8, \
"derp should be 8, it is " + str(foo)
Prints:
AssertionError: "derp should be 8, it is 7
Why does this python assert have to be different from everything else:
I think the pythonic ideology is that a program should self-correct without having to worry about the special flag to...
When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
...update interval of nexus has elapsed or updates are forced -> [Help 1]" error.
To fix this I added <updatePolicy>always</updatePolicy> to my settings file (C:\Program Files\NetBeans 7.0\java\maven\conf\settings.xml)
<profile>
<id>nexus</id>
<!--Enable snap...
Parse string to date with moment.js
...'YYYY/MM/DD'); alert(date); alert(dateCalendarPart); Gives an invalid date error?????
– Andrew Day
Jun 15 '16 at 11:17
...
Why does the is operator return false when given null?
... will I successfully get a T ?
Now, while you can cast null to T without error, after doing so you don't "have a T" - you've still got nothing. So it's not the case that null "is" a T, so is returns false.
Can you use a trailing comma in a JSON object?
...ves a lot of time. It's annoying, I wish there were an option to throw an error for this with firefox (since that would help with debugging).
– rocketmonkeys
Aug 30 '11 at 18:16
4...
How can I find out what version of git I'm running?
...d."
That will echo "Git is installed" if it is, otherwise, it'll echo an error message. You can use this for scripts that use git
It's also customizable, so you can change "which git" to "which java" or something, and change the error message.
...
php execute a background process
...save them to a web directory:
foreground.php:
<?php
ini_set("display_errors",1);
error_reporting(E_ALL);
echo "<pre>loading page</pre>";
function run_background_process()
{
file_put_contents("testprocesses.php","foreground start time = " . time() . "\n");
echo "<pre>...
How to structure a express.js application?
Is there a common convention for breaking up and modularizing the app.js file in an Express.js application? Or is it common to keep everything in a single file?
...
Write to .txt file?
...
FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "In...