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Switching between Android Navigation Drawer image and Up caret when using fragments

...ors to act according to their shape @Override public boolean onOptionsItemSelected(MenuItem item) { if (mDrawerToggle.isDrawerIndicatorEnabled() && mDrawerToggle.onOptionsItemSelected(item)) { return true; } else if (item.getItemId() == android.R.id.home && ...
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ERROR 1452: Cannot add or update a child row: a foreign key constraint fails

... table. Following query would be helpful to fetch those non-matching rows: SELECT child_table.* FROM child_table LEFT JOIN parent_table ON parent_table.referenced_column = child_table.referencing_column WHERE parent_table.referenced_column IS NULL Now, you can generally do one (or more) of th...
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Rails: How to change the title of a page?

...In rails 3 content_for is smart enough to work correctly with caching (see selected answer). – opsb Nov 15 '11 at 10:41 4 ...
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

...ome other posts about this problem and it is: If your ViewData contains a SelectList with the same name as your DropDownList i.e. "submarket_0", the Html helper will automatically populate your DropDownList with that data if you don't specify the 2nd parameter which in this case is the source Selec...
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Get url parameters from a string in .NET

...;', ';' }, StringSplitOptions.RemoveEmptyEntries) .Select(parameter => parameter.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries)) .GroupBy(parts => parts[0], parts => parts.Length > 2 ? string.Jo...
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Failed loading english.pickle with nltk.data.load

...wnload() Then an installation window appears. Go to the 'Models' tab and select 'punkt' from under the 'Identifier' column. Then click Download and it will install the necessary files. Then it should work! share |...
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Git Remote: Error: fatal: protocol error: bad line length character: Unab

...o 2.19.0 Solution: Tools > Settings > Git Extensions > SSH Select [OpenSSH] instead of [PuTTY] share | improve this answer | follow | ...
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Get name of property as a string

... Okay, here's what I ended up creating (based upon the answer I selected and the question he referenced): // <summary> // Get the name of a static or instance property from a property access lambda. // </summary> // <typeparam name="T">Type of the property</typeparam...
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Animated loading image in picasso

... Use romannurik.github.io/AndroidAssetStudio/index.html (select "Launcher icon generator") to create mdpi, hdpi, xhdpi, etc. – CoolMind Jan 10 '18 at 8:40 ...
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pull out p-values and r-squared from a linear regression

... need. The beta, se, t and p vectors are stored in it. Get the p-values by selecting the 4th column of the coefficients matrix (stored in the summary object): summary(fit)$coefficients[,4] summary(fit)$r.squared Try str(summary(fit)) to see all the info that this object contains. Edit: I had ...