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CSS: background image on background color

...ch I colored blue if this panel is being selected (clicked on it). Additionally, I add a small sign ( .png image) to that panel, which indicates that the selected panel has been already selected before. ...
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Conditional HTML Attributes using Razor MVC3

...s" /> If strCSSClass is null then the class attribute won't render at all. SSSHHH...don't tell. :) share | improve this answer | follow | ...
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Use ASP.NET MVC validation with jquery ajax?

...est; } } } What this does is return a JSON object specifying all of your model errors. Example response would be [{ "key":"Name", "errors":["The Name field is required."] }, { "key":"Description", "errors":["The Description field is required."] }] This would be retu...
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pretty-print JSON using JavaScript

...or sure) and not HTML. Output can be seen inside console. You can edit the _variables inside the function adding some more styling. function JSONstringify(json) { if (typeof json != 'string') { json = JSON.stringify(json, undefined, '\t'); } var arr = [], _stri...
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Count how many records are in a CSV Python?

...aranteed to be a fixed size, so the only way to count them is to read them all. – Martijn Pieters♦ Apr 19 '13 at 15:55 1 ...
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

...olumn, select just that column. in this case I'm using inplace=True to actually change the contents of df. In [12]: df[1].fillna(0, inplace=True) Out[12]: 0 0.000000 1 0.570994 2 0.000000 3 -0.229738 4 0.000000 Name: 1 In [13]: df Out[13]: 0 1 0 NaN 0.0000...
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How to have the cp command create any necessary folders for copying a file to a destination [duplica

... the mkdir/cp command above. It just creates a single level of folder. Actually I'm not sure when it can be useful. – Penghe Geng Apr 13 '15 at 14:30 ...
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Display names of all constraints for a table in Oracle SQL

... You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints: SELECT * FROM user_cons_columns WHERE table_name = '<your table name>'; FYI, unless you specifically created your table with ...
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How to fix HTTP 404 on Github Pages?

... I had just one commit with all my files. I pushed an empty commit, refreshed the page and it worked. git commit --allow-empty -m "Trigger rebuild" git push If this doesn't work, as @Hendrikto pointed out in the comments, check out the Github status ...
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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?

...lementation of hitTest:withEvent: in UIResponder does the following: It calls pointInside:withEvent: of self If the return is NO, hitTest:withEvent: returns nil. the end of the story. If the return is YES, it sends hitTest:withEvent: messages to its subviews. it starts from the top-level subview, ...