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What is the Scala annotation to ensure a tail recursive function is optimized?
... put it in front of the declaration? Does it also work if Scala is used in scripting mode (for instance using :load <file> under REPL)?
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How do I change the formatting of numbers on an axis with ggplot?
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I also found another way of doing this that gives proper 'x10(superscript)5' notation on the axes. I'm posting it here in the hope it might be useful to some. I got the code from here so I claim no credit for it, that rightly goes to Brian Diggs.
fancy_scientific <- function(l) {
# ...
Argparse optional positional arguments?
I have a script which is meant to be used like this:
usage: installer.py dir [-h] [-v]
3 Answers
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
... function HideORDispFeedback() { $("#feedback").toggle();}function makeTitleDraggable(element, titleElement) { let isDragging = false; let offsetX, offsetY; // 只在标题栏上按下时开始拖动 titleElement.onmousedown = function(e) { isDragging = true; offset...
How to move columns in a MySQL table?
...n the later stages of a product, on 10+ tables. So wrote this quick untidy script to generate the alter command for all 'relevant' tables.
SET @NeighboringColumn = '<YOUR COLUMN SHOULD COME AFTER THIS COLUMN>';
SELECT CONCAT("ALTER TABLE `",t.TABLE_NAME,"` CHANGE COLUMN `",COLUMN_NAME,"`
`"...
How to check if a file is a valid image file?
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Update
I also implemented the following solution in my Python script here on GitHub.
I also verified that damaged files (jpg) frequently are not 'broken' images i.e, a damaged picture file sometimes remains a legit picture file, the original image is lost or altered but you are still a...
Postgres: “ERROR: cached plan must not change result type”
...nection and prepared a SELECT statement for execution.
Meanwhile, another script was modifying the database table, changing the data type of one of the columns being returned in the above SELECT statement.
I resolved this by restarting the application after the database table was modified. This re...
How to do a git diff on moved/renamed file?
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This setting does not affect plumbing commands, hence well-written
scripts will not be affected.
The new tests for this feature are here.
share
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Disabling Strict Standards in PHP 5.4
...led, you'll probably need to put this at the top of the PHP section of any script that gets loaded from a browser call:
error_reporting(E_ALL & ~E_STRICT & ~E_NOTICE);
One of those should help you be able to use the software. The notices and strict stuff are indicators of problems or pote...
How do I determine the target architecture of static library (.a) on Mac OS X?
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This bash script will help you programmatically get a list of architectures into a variable.
list_archs.sh:
#! /bin/bash
lipo -info $1 | sed -En -e 's/^(Non-|Architectures in the )fat file: .+( is architecture| are): (.*)$/\3/p'
Us...