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How can I rename a database column in a Ruby on Rails migration?
I wrongly named a column hased_password instead of hashed_password .
26 Answers
26
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Where is the php.ini file on a Linux/CentOS PC? [duplicate]
...inal/console (only Linux, in windows you need Putty)
ssh user@ip
php -i | grep "Loaded Configuration File"
And it will show you something like this Loaded Configuration File => /etc/php.ini.
ALTERNATIVE METHOD
You can make a php file on your website, which run: <?php phpinfo(); ?>, and...
Responding with a JSON object in Node.js (converting object/array to JSON string)
I'm a newb to back-end code and I'm trying to create a function that will respond to me a JSON string. I currently have this from an example
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How to frame two for loops in list comprehension python
I have two lists as below
6 Answers
6
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Is there a way to make npm install (the command) to work behind proxy?
Read about a proxy variable in a .npmrc file but it does not work. Trying to avoid manually downloading all require packages and installing.
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How to see if an NSString starts with a certain other string?
...L starts with http. The way I am trying to check right now doesn't seem to be working. Here is my code:
5 Answers
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Is the Javascript date object always one day off?
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Notice that Eastern Daylight Time is -4 hours and that the hours on the date you're getting back are 20.
20h + 4h = 24h
which is midnight of 2011-09-24. The date was parsed in UTC (GMT) because you provided a date-only string without any time zone i...
pyplot scatter plot marker size
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This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = WH =>...
Does constexpr imply inline?
Consider the following inlined function :
2 Answers
2
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Can I set a breakpoint on 'memory access' in GDB?
I am running an application through gdb and I want to set a breakpoint for any time a specific variable is accessed / changed. Is there a good method for doing this? I would also be interested in other ways to monitor a variable in C/C++ to see if/when it changes.
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