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Is it secure to store passwords as environment variables (rather than as plain text) in config files
...if you set only a local environment variable, like "set pwd=whatever," and then run the script,
with something that exits your command shell at the end of the script, then the variable no longer exists.
Your case falls into the first two, which I'd say is fairly insecure. If you were going to ...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...the wrong place!
If you have /tmp/mysql.sock but no /var/mysql/mysql.sock then...
cd /var
sudo mkdir mysql
sudo chmod 755 mysql
cd mysql
sudo ln -s /tmp/mysql.sock mysql.sock
If you have /var/mysql/mysql.sock but no /tmp/mysql.sock then...
cd /tmp
ln -s /var/mysql/mysql.sock mysql.sock
You w...
How do I update a GitHub forked repository?
I recently forked a project and applied several fixes. I then created a pull request which was then accepted.
21 Answers
...
Error Dropping Database (Can't rmdir '.test\', errno: 17)
...f table data.
The DROP DATABASE statement will remove all table files and then remove the directory that represented the database. It will not, however, remove non-table files, whereby making it not possible to remove the directory.
MySQL displays an error message when it cannot remove the direct...
Check if Internet Connection Exists with Javascript? [duplicate]
...ailure for an XHR, if your XHR is flawed when establishing it's connection then it'll also be flawed during routine use anyhow. If your site is unreachable for any reason, then your other services running on the same servers will likely be unreachable also. That decision is up to you.
I wouldn't re...
Sql Server equivalent of a COUNTIF aggregate function
...ombined with a CASE statement, like this:
SELECT SUM(CASE WHEN myColumn=1 THEN 1 ELSE 0 END)
FROM AD_CurrentView
Note: in my own test NULLs were not an issue, though this can be environment dependent. You could handle nulls such as:
SELECT SUM(CASE WHEN ISNULL(myColumn,0)=1 THEN 1 ELSE 0 END)
FR...
How do you force a makefile to rebuild a target
I have a makefile that builds and then calls another makefile. Since this makefile calls more makefiles that does the work it doesnt really change. Thus it keeps thinking the project is built and upto date.
...
load and execute order of scripts
... you aren't dynamically loading scripts or marking them as defer or async, then scripts are loaded in the order encountered in the page. It doesn't matter whether it's an external script or an inline script - they are executed in the order they are encountered in the page. Inline scripts that come...
How can I tell if one commit is a descendant of another commit?
... you can check if git merge-base A B is equal to git rev-parse --verify A (then A is reachable from B), or if it is git rev-parse --verify B (then B is reachable from A). git rev-parse is here needed to convert from commit name to commit SHA-1 / commit id.
Using git rev-list like in VonC answer is...
How do I modify fields inside the new PostgreSQL JSON datatype?
... CASE
WHEN "values_to_set"["index"] IS NULL THEN 'null'::json
ELSE to_json("values_to_set"["index"])
END
FROM generate_subscripts("keys_to_set", 1) AS "keys"("index")
JOIN generate_subscripts("values_to_set", 1) AS "v...