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How do you create a transparent demo screen for an Android app?
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Put your demo info in a different activity and give it the following theme.
<style name="Transparent" parent="@android:style/Theme.NoTitleBar">
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowIsTranslucent...
How do you compare structs for equality in C?
How do you compare two instances of structs for equality in standard C?
11 Answers
11
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
...rence between them other than that the first approach requires more typing and is potentially clearer.
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Equivalent VB keyword for 'break'
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Exit While is not valid in VB7...use convert from While...Wend to Do While...Loop and an Exit Do will then work.
– Merk
Sep 17 '13 at 20:24
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g++ undefined reference to typeinfo
I just ran across the following error (and found the solution online, but it's not present in Stack Overflow):
17 Answers
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Is Big O(logn) log base e?
...algorithm's run-time.
In big-O() notation, constant factors are removed. Converting from one logarithm base to another involves multiplying by a constant factor.
So O(log N) is equivalent to O(log2 N) due to a constant factor.
However, if you can easily typeset log2 N in your answer, doing so is...
How to toggle a value in Python
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The not operator negates your variable (converting it into a boolean if it isn't already one). You can probably use 1 and 0 interchangeably with True and False, so just negate it:
toggle = not toggle
But if you are using two arbitrary values, use an inline if:
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)
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data_externalid = "23521"
}
)
The _ will automatically be converted to - in the resulting markup:
<input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" />
And that's true for all Html helpers taking a htmlAttributes anonymous object...
How do I specify the Linq OrderBy argument dynamically?
...var param = expression.Parameters.First().Name;
str = str.Replace("Convert(", "(").Replace(param + ".", "");
return str + (isDesc ? " descending" : "");
}
}
3) Write your switch for selecting of Lambda function
public static class SortHelper
{
public static Expression<F...
AngularJS : Difference between the $observe and $watch methods
...at post. scope.$eval(item) is really helpful. If item is a json string, it convert to an json object.
– bnguyen82
Aug 16 '13 at 9:16
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