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How can I call controller/view helper methods from the console in Ruby on Rails?
...one app.get (a thread error ensues). Is there a way I can flush the system and execute more gets?
– JellicleCat
May 22 '12 at 17:53
2
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Maximum length for MySQL type text
I'm creating a form for sending private messages and want to set the maxlength value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store?
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cannot download, $GOPATH not set
...ults to $HOME/go, but you may still find this useful if you want to understand the GOPATH layout, customize it, etc.]
The official Go site discusses GOPATH and how to lay out a workspace directory.
export GOPATH="$HOME/your-workspace-dir/" -- run it in your shell, then add it to ~/.bashrc or equiv...
jQuery - add additional parameters on submit (NOT ajax)
...answer, but added the NAME attribute to let it show in the form collection and changed VALUE to VAL
Also checked the ID of the FORM (form1 in my case)
used the Firefox firebug to check whether the element was inserted.
Hidden elements do get posted back in the form collection, only read-only field...
Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
Delete directories recursively in Java
...
It's a little more thorough. It handles things like symbolic links correctly on Linux/Unix. svn.apache.org/viewvc/commons/proper/io/trunk/src/java/org/…
– Steve K
Apr 22 '09 at 22:48
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How to do URL decoding in Java?
...ng like this:
try {
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
// not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need...
notifyDataSetChanged example
I'm trying to use in my Android Application the notifyDataSetChanged() method for an ArrayAdapter but it doesn't work for me.
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erb, haml or slim: which one do you suggest? And why? [closed]
I am learning Rails and I have seen these template engines. I have no experience with them (only erb).
5 Answers
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How do I center an SVG in a div?
... width or 900px. The SVG has a width of 400px. The SVG has its margin-left and margin-right set to auto. Doesn't work, it just acts as if the left margin is 0 (default).
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