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Inline comments for Bash?
...t your comment here` \
def `#another chance for a comment` \
xyz etc
And for pipelines specifically, there is a cleaner solution with no overhead
echo abc | # normal comment OK here
tr a-z A-Z | # another normal comment OK here
sort | # the pipelines are autom...
Exploitable PHP functions
...include/require can be used for remote code execution in the form of Local File Include and Remote File Include vulnerabilities.
eval()
assert() - identical to eval()
preg_replace('/.*/e',...) - /e does an eval() on the match
create_function()
include()
include_once()
require()
require_once()
$_GE...
Practical uses for AtomicInteger
...is sounds like something I should use as I need to have unique id for each file I import into my program :)
– James P.
Jan 27 '11 at 16:16
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How does StartCoroutine / yield return pattern really work in Unity?
...Next() could just add one toCurrent, or it could load the new value from a file, or it could download an image from the Internet and hash it and store the new hash in Current… or it could even do one thing for the first element in the sequence, and something entirely different for the second. You ...
如何让Finder显示出根目录的/usr和/etc等隐藏文件夹 - 更多技术 - 清泛网 -...
如何让Finder显示出根目录的/usr和/etc等隐藏文件夹两种方法都可以，好坏自己体会：方法一：终端输入：defaults write com.apple.finder AppleShowAllFiles TRUE2 killall Finder同理将...两种方法都可以，好坏自己体会：
方法一：
终端输入：
...
Cached, PHP generated Thumbnails load slowly
...imized, you should also combine awmlib2.js and tooltiplib.js into a single file.
If you address those things, you should see a significant improvement.
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How did this person code “Hello World” with Microsoft Paint?
...data are used to represent colors (i.e. none of them are "mandated" by the file format2, they all come from the color of each pixel), and there's a perfect 1:1 correspondence between pixel colors and bytes written in the file; thus, using perfectly chosen colors you can actually write anything you w...
What did MongoDB not being ACID compliant before v4 really mean?
...this update (in memory), wait for the write to happen to the local journal file, etc.
There is no easy "atomic" updates to multiple collections and even multiple documents in the same collection. It's not a problem in most cases because it can be circumvented with Two Phase Commit, or restructuring ...
Convert string to nullable type (int, double, etc…)
...ately, much of the data is in strings, where it should be int's or double, etc...
16 Answers
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Quickly reading very large tables as dataframes
...from the tidyverse package vroom for importing data from csv/tab-delimited files directly into an R tibble. See Hector's answer.
Using fread in data.table for importing data from csv/tab-delimited files directly into R. See mnel's answer.
Using read_table in readr (on CRAN from April 2015). This ...