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Style disabled button with CSS

...ts. For browsers/devices supporting CSS2 only, you can use the [disabled] selector. As with the image, don't put an image in the button. Use CSS background-image with background-position and background-repeat. That way, the image dragging will not occur. Selection problem: here is a link to the s...
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What's the fastest way to merge/join data.frames in R?

..., in fact, they are placed on tables which were overwritten before the sql select ever runs and that, in part, accounts for why its so slow. The idea of sqldf is that the data frames in your R session constitute the data base, not the tables in sqlite. Thus each time the code refers to an unqualif...
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jquery if div id has children

... If you add a selector to children, you can also check if an element has children that match a particular selector, like if you want to see if an element has a child of a particular class. – Muhd May ...
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JQuery .each() backwards

I'm using JQuery to select some elements on a page and then move them around in the DOM. The problem I'm having is I need to select all the elements in the reverse order that JQuery naturally wants to select them. For example: ...
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Get generated id after insert

...d= db.getSQLiteDatabase().insert("user", "", values) ; If query exec use select last_insert_rowid() String sql = "INSERT INTO [user](firstName,lastName) VALUES (\"Ahmad\",\"Aghazadeh\"); select last_insert_rowid()"; DBHelper itemType =new DBHelper();// your dbHelper c = db.rawQuery(sql, null); ...
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JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements

I have two select elements, A and B: when A's selected option changes, B's options must be updated accordingly. Each element in A implies many elements in B, it's a one-to-many relationship (A contains nations, B should contain cities located in the given nation). ...
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How do I specify a single test in a file with nosetests?

...n both usages should work, as per nose.readthedocs.io/en/latest/usage.html#selecting-tests. Your failure could be caused by tests not being a module in your setup? – michaeljoseph Mar 13 '17 at 10:04 ...
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How to “undelete” a deleted folder in Subversion / TortoiseSVN?

... revision there your folder still exists, then right-click that folder and select "Copy to..." and enter the path there you want the folder to be re-created (probably the same path that is already in the text box). share ...
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MIN/MAX vs ORDER BY and LIMIT

...oks like MIN() is able to simply pluck the smallest value from the index ('Select tables optimized away' and 'NULL' rows) whereas the SORT and LIMIT still needs needs to do an ordered traversal of the index (106,000 rows). The actual performance impact is probably negligible. It looks like MIN() i...
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How to import Google Web Font in CSS file?

...e (+) icon next to it. In bottom-left corner, a container titled "1 Family Selected" will appear. Click it, and it will expand. Use the "Customize" tab to select options, and then switch back to "Embed" and click "@import" under "Embed Font". Copy the CSS between the <style> tags into your sty...