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How to refer to relative paths of resources when working with a code repository
... x))
DATA_DIR = here('datadir')
pathjoin = os.path.join
# ...
# later in script
for fn in os.listdir(DATA_DIR):
f = open(pathjoin(DATA_DIR, fn))
# ...
The variable
__file__
holds the file name of the script you write that code in, so you can make paths relative to script, but still wr...
When should std::move be used on a function return value? [duplicate]
...the same then the "as-if" rule applies.
So, to answer the question in the title, use std::move on a return value when you want it to be moved and it would not get moved anyway. That is:
you want it to be moved, and
it is an lvalue, and
it is not eligible for copy elision, and
it is not the name o...
Perform commands over ssh with Python
I'm writing a script to automate some command line commands in Python. At the moment I'm doing calls thus:
13 Answers
...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...p is not an AppBundler application, instead its main executable is a shell script that calls a number of other shell scripts and reads various configuration files. It defaults to picking the newest JDK from /Library/Java as long as that is 7u10 or later, or uses Java 6 if your Java 7 installation i...
How to store a dataframe using Pandas
...now I'm importing a fairly large CSV as a dataframe every time I run the script. Is there a good solution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run?
...
Change the Target Framework for all my projects in a Visual Studio Solution
...
A PowerShell script that I used to do mine. Admittedly bruce force-ish.
Get-ChildItem . -Recurse -Filter *.*proj |ForEach {
$content = Get-Content $_.FullName
$content |ForEach {
$_.Replace("<TargetFrameworkVersion>...
How to write a:hover in inline CSS?
... criteria).
Response to the OP's comments:
See Totally Pwn CSS with Javascript for a good script on adding CSS rules dynamically. Also see Change style sheet for some of the theory on the subject.
Also, don't forget, you can add links to external stylesheets if that's an option. For example,
&l...
Getting the client's timezone offset in JavaScript
...fficult to keep up with changes.
To get the system's IANA timezone in JavaScript, you should use
console.log(Intl.DateTimeFormat().resolvedOptions().timeZone)
As of September 2019, this works in 95% of the browsers used globally.
Old compatibility information
ecma-402/1.0 says that ...
Populating a database in a Laravel migration file
...l to consider the long term implications of calling seeders from migration scripts. The migration scripts are date/time versioned, while seeders are typically not. During development, seeder needs often change, resulting in the possibility of versioned migration scripts running non-versioned seeders...
Dump a mysql database to a plaintext (CSV) backup from the command line
...like something I can run from the command line (linux). If that's a mysql script, pointers to how to make such a thing would be helpful.
...