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How to use SharedPreferences in Android to store, fetch and edit values [closed]
...s(
"com.example.app", Context.MODE_PRIVATE);
To read preferences:
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
To edit and save preferences
Date dt = getSomeDate();
prefs.edit().putLo...
How to output messages to the Eclipse console when developing for Android
...tialized or not.
Log.d, Log.v, Log.w etc methods only allow you to print strings to the console and not objects. To circumvent this (if you desire), you must use String.format.
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Move the most recent commit(s) to a new branch with Git
...newbranch HEAD~3
git branch --set-upstream-to=oldbranch
# Cherry-picks the extra commits from oldbranch.
git cherry-pick ..oldbranch
# Discards the 3 most recent commits from oldbranch.
git branch --force oldbranch oldbranch~3
(if you prefer you can write @{-1} - the previously checked out branch ...
Why can't decimal numbers be represented exactly in binary?
...1/3, 1/9, 1/27, or any rational in decimal notation. We do it by adding an extra symbol. For example, a line over the digits that repeat in the decimal expansion of the number. What we need to represent decimal numbers as a sequence of binary numbers are 1) a sequence of binary numbers, 2) a radix p...
Python: Using .format() on a Unicode-escaped string
...
Just make the second string also a unicode string
>>> s = u'\u2265'
>>> print s
≥
>>> print "{0}".format(s)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
UnicodeEncodeError: 'as...
Inline instantiation of a constant List
...lection<T> to wrap it. For example:
public static readonly IList<String> Metrics = new ReadOnlyCollection<string>
(new List<String> {
SourceFile.LoC, SourceFile.McCabe, SourceFile.NoM,
SourceFile.NoA, SourceFile.FanOut, SourceFile.FanIn,
Sour...
Understanding dict.copy() - shallow or deep?
... and dic_b are referencing the same dictionary when you dic_b = dic_a. The strings in the dictionary are immutable but that's irrelevant, because dic_b['A'] = 'Adam' mutates the dictionary itself.
– kennytm
Sep 20 at 17:54
...
SQL Server: Is it possible to insert into two tables at the same time?
...omic, and can be sent to the server from a client application with one sql string in a single function call as if it were one statement. You could also apply a trigger to one table to get the effect of a single insert. However, it's ultimately still two statements and you probably don't want to run...
How do I detect what .NET Framework versions and service packs are installed?
...for:
"Install"=dword:00000001
except for .NET 1.0, where the value is a string (REG_SZ) rather than a number (REG_DWORD).
Determining the service pack level follows a similar pattern:
Framework Version Registry Key
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What is the proper way to check if a string is empty in Perl?
I've just been using this code to check if a string is empty:
6 Answers
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