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How to have a transparent ImageButton: Android

... Try using null for the background ... android:background="@null" share | improve this answer | follow | ...
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SQL Server query - Selecting COUNT(*) with DISTINCT

...t's been put into production. The table has a ticket_number, program_type, and program_name and push_number along with some other columns. ...
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What is the difference between Collection and List in Java?

What is the difference between Collection and List in Java? When should I use which? 7 Answers ...
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How can I detect if a selector returns null?

...See my answer porting Rails' presence method. – Marc-André Lafortune Feb 26 '13 at 22:22 5 If yo...
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Will GetType() return the most derived type when called from the base class?

...nly sees the super class. Is it not that it will always return what the handle was defined as not the instance? - or am i missing something? – user359135 Jul 20 '18 at 10:56 ...
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Text Editor which shows \r\n? [closed]

I'm looking for a text editor that can show me the actual carriage returns and newlines. 17 Answers ...
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How to handle Back button with in the dialog?

... an application that when the button is pressed, it opens a dialog with OK and Cancel buttons. 8 Answers ...
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Selecting/excluding sets of columns in pandas [duplicate]

...passed as argument removed. Here, the result is used to remove columns B and D from df: df2 = df[df.columns.difference(['B', 'D'])] Note that it's a set-based method, so duplicate column names will cause issues, and the column order may be changed. Advantage over drop: you don't create a cop...
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Hyphenated html attributes with asp.net mvc

... Use an underscore in the data attribute name, and it'll magically handle it for you, converting it to a hyphen. It knows you want a hyphen rather than an underscore as underscores aren't valid in html attribute names. <%= Html.TextBox("name", value, new { @data_foo =...
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How to concatenate two IEnumerable into a new IEnumerable?

...erator will attempt to use the two passed-in enumerable items (call them A and B) in sequence. If the passed-in enumerables represent sequences which will not change during the lifetime of Cat, and which can be read from without side-effects, then Cat may be used directly. Otherwise, it may be a g...