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Should switch statements always contain a default clause?
...ode that accesses the variable doesn't raise an error.
3. To show someone reading your code that you've covered that case.
variable = (variable == "value") ? 1 : 2;
switch(variable)
{
case 1:
// something
case 2:
// something else
default:
// will NOT execute be...
How do I get the RootViewController from a pushed controller?
...
The 2nd line should read: UIViewController *rootViewController = [viewControllers objectAtIndex:viewControllers.count - 1];
– Billy
May 19 '16 at 19:44
...
getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”
... what I can remember. But if you still have issues with this you MUST also read @AlexLockwood 's blog : Fragment Transactions & Activity State Loss
Summary from the blog post (but I strongly recommend you to read it) :
NEVER commit() transactions after onPause() on pre-Honeycomb, and onStop() ...
How to parse a CSV file using PHP [duplicate]
... I ended up encoding before saving to CSV and decoding while reading - php.net/rawurlencode - that ensures no line-breaks, right? - or does it loose them entirely (can there be line breaks in URL encoding?)
– Julix
May 15 '17 at 4:24
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Python 2.7 getting user input and manipulating as string without quotations
...
Although for anyone reading this using Python 3, input now works this way, and raw_input is gone.
– Thomas K
Feb 10 '11 at 17:35
...
More elegant way of declaring multiple variables at the same time
... done quite succinctly with a nested list comprehension, but here's a very readable implementation:
>>> def invert_dict(inverted_dict):
... elements = inverted_dict.iteritems()
... for flag_value, flag_names in elements:
... for flag_name in flag_names:
... yiel...
Google Maps Android API v2 Authorization failure
...tResourceBundle {
protected Object[][] getContents();
}
Now you are ready to create your own Google Map app with using Google Map APIs V2 for Android.
If you create application with min SDK = 8, please use android support library v4 + SupportMapFragment instead of MapFragment.
...
Returning binary file from controller in ASP.NET Web API
...sCode.OK);
var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
result.Content = new StreamContent(stream);
result.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/octet-stream");
return result;
}
A few things to note about the stream used:...
Parsing a JSON string in Ruby
...a hash
p parsed["desc"]["someKey"]
p parsed["main_item"]["stats"]["a"]
# Read JSON from a file, iterate over objects
file = open("shops.json")
json = file.read
parsed = JSON.parse(json)
parsed["shop"].each do |shop|
p shop["id"]
end
...
Visibility of global variables in imported modules
...ad to look for another solution. Now we use environment variables that are read by each module that needs them. It's not really OOP compliant but that's it. This works only when the globals do not change during the code execution.
– rimetnac
Nov 6 '19 at 14:49
...