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ViewPager with Google Maps API v2: mysterious black view
...kground on top of the ViewPager inside a FrameLayout:
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.v4.view.ViewPager
android:id="@+id/fragment_container"
android:layout_width="match_parent"
and...
AttributeError(“'str' object has no attribute 'read'”)
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I don't understand this...how does doing read() solve the problem? The response still doesn't have a read function. Are we supposed to put the string in some object with a read function?
– zakdances
Au...
pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
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Check for changes to an SQL Server table?
...of the database in any way? My preferred programming environment is .NET and C#.
8 Answers
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Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...
Which characters are valid in CSS class names/selectors?
...racter is a hyphen, the second character must2 be a letter or underscore, and the name must be at least 2 characters long.
-?[_a-zA-Z]+[_a-zA-Z0-9-]*
In short, the previous rule translates to the following, extracted from the W3C spec.:
In CSS, identifiers (including element names, classes, ...
font-style: italic vs oblique in CSS
...onts were meant not to be italicized or obliqued... but people did anyway. And as you may know, some operating systems will, upon clicking the 'italic' icon, skew the font and create an oblique on the fly. Not a pleasant sight.
It's best to specify an italic only when you're sure that font has been...
Is there a CSS selector by class prefix?
...hecks any other classes after the first if multiple classes are specified, and adds a bonus of checking the first class in case the attribute value is space-padded (which can happen with some applications that output class attributes dynamically).
Naturally, this also works in jQuery, as demonstra...
What's an elegant way to conditionally add a class to an HTML element in a view?
...lly you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you can just test your variable:
<div class="<%= 'ok' if @success %>">
A second form using the ternary ?: operator is useful if you want to choose between two cl...
How to round the minute of a datetime object
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See this to understand the problem: datetime.timedelta(100,1,2,3).seconds == 1
– CPBL
Dec 8 '16 at 18:49
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