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How to pass prepareForSegue: an object

...n storyboard is the same as this line if ([[segue identifier] isEqualToString:@"YOUR_SEGUE_NAME_HERE"]) { // Get reference to the destination view controller YourViewController *vc = [segue destinationViewController]; // Pass any objects to the view controller here, ...
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How do I use raw_input in Python 3

...a is integer 5. a = raw_input() will take the user input and put it as a string. Eg: if user types 5 then the value in a is string '5' and not an integer. Thought it might be good info to newbies in python like myself. – Vishnu Narang Mar 5 '16 at 12:22 ...
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent

... Thank you! I was initialising my List as List<String> list = new ArrayList<>();. Changing it to List<String> list = null; fixed the problem :) – Radical Feb 28 '18 at 8:45 ...
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Android: Bitmaps loaded from gallery are rotated in ImageView

...rsor cursor = context.getContentResolver().query(photoUri, new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null); if (cursor.getCount() != 1) { return -1; } cursor.moveToFirst(); return cursor.getInt(0); } And then you can get a rotate...
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Android 4.2: back stack behaviour with nested fragments

...ragmentManager() . When using getChildFragmentManager() and addToBackStack(String name), by pressing the back button the system does not run down the back stack to the previous fragment. On the other hand, when using getFragmentManager() and addToBackStack(String name), by pressing the back butto...
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Pandas - How to flatten a hierarchical index in columns

...ant to combine/join your MultiIndex into one Index (assuming you have just string entries in your columns) you could: df.columns = [' '.join(col).strip() for col in df.columns.values] Note: we must strip the whitespace for when there is no second index. In [11]: [' '.join(col).strip() for col in...
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What is the difference between Builder Design pattern and Factory Design pattern?

..., "crunchy"); Basic Builder Example // Builder class FruitBuilder { String name, color, firmness; FruitBuilder setName(name) { this.name = name; return this; } FruitBuilder setColor(color) { this.color = color; return this; } FruitBuilder setFirmness(fi...
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Logging best practices [closed]

...ou may not have known: Using the TraceEvent overloads that take a format string and args can help performance as parameters are kept as separate references until after Filter.ShouldTrace() has succeeded. This means no expensive calls to ToString() on parameter values until after the system has con...
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?

...meout(b[a]); b[a] = setTimeout(c, d) } }(); var fullDateString = new Date(); Once you're equipped with it, you can start listening for changes and execute breakpoint-specific functions like so: $(window).resize(function () { waitForFinalEvent(function(){ if( isBrea...
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Unicode characters in URLs

... to prevent phishing. Displaying non-ASCII characters in the path or query string part does not create a similar vilnerability. IE simply didn't bother to implement it. (And Firefox is the only one that implemented it for the fragment part as well.) – Tgr Jul 4...