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Check image width and height before upload with Javascript
... return false;
}
} else {
alert("Please select a valid Image file.");
return false;
}
}
share
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improve this answer
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Rails: fields_for with index?
...g.label :gallery_sets_id, "Position #{g.options[:index]}" %>
<%= g.select :gallery_sets_id, @posts.collect { |p| [p.title, p.id] } %>
<%# g.options[:index] += 1 %>
<% end %>
or
<%= f.fields_for :blog_posts do |g| %>
<%= g.label :gallery_sets_id, "Position #{g...
How to find out which JavaScript events fired?
I have a select list:
4 Answers
4
...
Stop Excel from automatically converting certain text values to dates
...qualifier if you have surrounded your values by quotes
In the third page, select every column individually and assign each the type "Text" instead of "General" to stop Excel from messing with your data.
Hope this helps you or someone with a similar problem!
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...natives --config java
There are 4 programs which provide 'java'.
Selection Command
-----------------------------------------------
*+ 1 /usr/lib/jvm/jre-1.7.0-openjdk.x86_64/bin/java
2 /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java
3 /usr/lib/jvm/...
What should every developer know about databases? [closed]
...fluence that choice;
The concept of coverage (why you shouldn't just write SELECT *);
The difference between a clustered and non-clustered index;
Why more/bigger indexes are not necessarily better;
Why you should try to avoid wrapping filter columns in functions.
Designers should also be aware of ...
How to add a separator to a WinForms ContextMenu?
...er. I'm using VS 2012. You can add a separator via the forms designer.
1) Select/Create a MenuStrip.
2) On "Type Here", right mouse.
3) Select "Insert".
4) Select "Separator".
5) Drag the new separator to the text you want it to be above.
Done.
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Merge multiple lines (two blocks) in Vim
...
You can certainly do all this with a single copy/paste (using block-mode selection), but I'm guessing that's not what you want.
If you want to do this with just Ex commands
:5,8del | let l=split(@") | 1,4s/$/\=remove(l,0)/
will transform
work it
make it
do it
makes us
harder
better
faster...
Turn off textarea resizing
...
As per the question, i have listed the answers in javascript
By Selecting TagName
document.getElementsByTagName('textarea')[0].style.resize = "none";
By Selecting Id
document.getElementById('textArea').style.resize = "none";
...
Cannot find Dumpbin.exe
... Search for "command prompt" in the start menu, which brings up a selection of command prompts. Look for "Visual C++" or "Developer Studio" command prompts.
– edW
Feb 17 '19 at 23:26
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