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Define make variable at rule execution time
...:
out.tar :
$(eval TMP := $(shell mktemp -d))
@echo hi $(TMP)/hi.txt
tar -C $(TMP) cf $@ .
rm -rf $(TMP)
The eval function evaluates a string as if it had been typed into the makefile manually. In this case, it sets the TMP variable to the result of the shell function call.
edit...
Getting an “ambiguous redirect” error
...r is it the more likely OUTPUT_RESULTS?
michael@isolde:~/junk$ ABC=junk.txt
michael@isolde:~/junk$ echo "Booger" > $ABC
michael@isolde:~/junk$ echo "Booger" >> $ABB
bash: $ABB: ambiguous redirect
michael@isolde:~/junk$
...
List all environment variables from the command line
...riables one page at a time, rather than the whole lot, or
SET > output.txt
sends the output to a file output.txt which you can open in Notepad or whatever...
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Converting JSON String to Dictionary Not List
... has to have " double quotes rather then ' single quotes.
Your JSON dump.txt File:
{"test":"1", "test2":123}
Python Script:
import json
with open('/your/path/to/a/dict/dump.txt') as handle:
dictdump = json.loads(handle.read())
...
Git add and commit in one command
... How to do git commit -am "comment", but for 1 file only? Let's say file.txt.
– Santosh Kumar
May 11 '18 at 21:10
1
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Using awk to remove the Byte-order mark
...M from all text files in current directory:
sed -i '1 s/^\xef\xbb\xbf//' *.txt
On FreeBSD:
sed -i .bak '1 s/^\xef\xbb\xbf//' *.txt
Advantage of using GNU or FreeBSD sed: the -i parameter means "in place", and will update files without the need for redirections or weird tricks.
On Mac:
This aw...
Codeigniter - no input file specified
...ex.php
RewriteEngine on
RewriteCond $1 !^(index\.php|images|css|js|robots\.txt|favicon\.ico)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ ./index.php?/$1 [L,QSA]
And now also it works.
Hint: Seems like before the Rewrite Rules haven't been clearly setu...
How do I get a file name from a full path with PHP?
...nual/en/splfileinfo.getfilename.php
$info = new SplFileInfo('/path/to/foo.txt');
var_dump($info->getFilename());
o/p: string(7) "foo.txt"
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ignoring any 'bin' directory on a git project
...dows10 you cannot create a .gitignore file, you have to create a gitignore.txt and then run ren gitignore.txt .gitignore in command prompt to create this file
– shabby
Jan 2 '19 at 14:45
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In MySQL, how to copy the content of one table to another table within the same database?
...ead:
CREATE TABLE table2 LIKE table1;
SELECT * INTO OUTFILE '/tmp/table1.txt' FROM table1;
LOAD DATA INFILE '/tmp/table1.txt' INTO TABLE table2;
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