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How to drop columns using Rails migration
...ine if you only need to make a single change to your schema.
change_table block
You can also do this using a change_table block, like so:
change_table :users do |t|
t.remove :first_name
end
I prefer this as I find it more legible, and you can make several changes at once.
Here's the full lis...
How to change JFrame icon [duplicate]
...nswers how to use the image if it's a resource. :D
– php_coder_3809625
Aug 16 '16 at 13:50
Example for the filepath: T...
Is there an interactive way to learn Vim? [closed]
...ww.openvim.com/
HJKL-learning game:
http://www.vim.org/scripts/script.php?script_id=3409
Screencasts:
http://derekwyatt.org/vim/tutorials/index.html
http://vimcasts.org
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When should one use a spinlock instead of mutex?
...PU system makes usually no sense, since as long as the spinlock polling is blocking the only available CPU core, no other thread can run and since no other thread can run, the lock won't be unlocked either. IOW, a spinlock wastes only CPU time on those systems for no real benefit. If the thread was ...
Is there any way to post events to Google Analytics via server-side API? [closed]
...
If you use PHP you can easily call the Analytics Measurement Protocol to send page views to you Google Analytics account:
function sendAnalytics($sGaId, $sHostname, $sPath, $sTitle) {
$aParams = array();
//Protocol Version
...
JavaScript chop/slice/trim off last character in string
...
I like this way because it jives with php thinking for substr function, easier to remember and write on the fly.
– pathfinder
Mar 15 '13 at 6:24
...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...anging one bit at a time), so it should be possible for a WAF to catch and block such requests.
P.S. A good explanation of Padding Oracle Attacks can be found in this blog post. Disclaimer: Its NOT my blog.
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Entity Framework Timeouts
...ommand timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity Framework Core 1.0:
this.context....
Bash script and /bin/bash^M: bad interpreter: No such file or directory [duplicate]
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My script was a .php script and this fixed the issue.
– Hardy
Nov 19 '15 at 18:57
2
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How can I check if an argument is defined when starting/calling a batch file?
...ying to use the following validation logic in a batch file but the "usage" block never executes even when no parameter is supplied to the batch file.
...