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Options, Settings, Properties, Configuration, Preferences — when and why?
...s style was ‘Options’ on the ‘Tools’ menu, though all bets are off now as more MS apps drop the menu bar and throw the old predictable controls all over the place with no consistent pettern.
RISC OS style was ‘Choices’ on the icon bar menu, just to add yet another pointless possibility....
CSS Pseudo-classes with inline styles
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@Thaina It is now, in HTML5: html5doctor.com/the-scoped-attribute
– Ason
Dec 17 '16 at 7:34
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How to dynamically build a JSON object with Python?
...ized= json.dumps(myDictObj, sort_keys=True, indent=3)
print(serialized)
## now we are gonna convert json to object
deserialization=json.loads(serialized)
print(deserialization)
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Shall we always use [unowned self] inside closure in Swift
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No, there are definitely times where you would not want to use [unowned self]. Sometimes you want the closure to capture self in order to make sure that it is still around by the time the closure is called.
Example: Making an asynchronous network request
If you are making an asynchronous...
Are email addresses case sensitive?
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Does anyone know of a list of mail products that will (a) reject a John.Doe@company.com when the user john.doe@company.com is valid, or (b) will allow two distinct mailboxes to be created: John.Doe@company.com and john.doe@company.com?
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Commands executed from vim are not recognizing bash command aliases
... it loads ~/.zshenv for all shells, so I moved my alias setup there and it now works from within Vim. See man zsh (or your shell's man pages) for more.
– Nathan Long
Feb 8 '14 at 22:52
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How to get existing fragments when using FragmentPagerAdapter
...o FragmentStatePagerAdapter.
If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing your App to regain memory) these Frag...
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
The following figure (from the official doc ) describes the well-known lifecycle of an Android activity:
5 Answers
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How to save traceback / sys.exc_info() values in a variable?
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try:
a = 1/0
except Exception,e:
exc_tuple = sys.exc_info()
Now If we print the tuple the values will be this.
exc_tuple[0] value will be "ZeroDivisionError"
exc_tuple[1] value will be "integer division or modulo by zero" (String passed as parameter to the exception class)
exc_tuple...
Do I need a content-type header for HTTP GET requests?
...essage unless the intended media type of the enclosed representation is unknown to the sender. If a Content-Type header field is not present, the recipient MAY either assume a media type of "application/octet-stream" ([RFC2046], Section 4.5.1) or examine the data to determine its type.
It means th...