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How to optimize for-comprehensions and loops in Scala?
...) with Range constants in the outermost scope. Or better, intern them like Strings literals in Java.
footnote:
Arrays were about the same as Range, but interestingly, pimping a new forall method (shown below) resulted in 24% faster execution on 64-bit, and 8% faster on 32-bit. When I reduced the...
How to implement common bash idioms in Python? [closed]
... manipulation
tool similar to awk or sed, but which uses standard python string and
list methods as well as custom functions evolved to generate fast
results in an intense production environment.
share
...
How does the new automatic reference counting mechanism work?
... the "is it new" question, Delphi has had automatic reference counting for strings, arrays and interfaces (for COM support) for well over a decade. I agree that it really is a nice compromise between a gc'd environment and a "do it all manually" environment. I'm glad it's in ObjC and LLVM (so other ...
Python naming conventions for modules
...ention? Because I notice the built-in classes are in lowercase, e.g. list, string, etc.
– Ram Rachum
Apr 2 '09 at 23:54
4
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Assign pandas dataframe column dtypes
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Be careful if you have a column that needs to be a string but contains at least one value that could be converted to an int. All it takes is one value and the entire field is converted to float64
– Michael David Watson
May 5 '15 at 20:13...
Can I change the viewport meta tag in mobile safari on the fly?
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@the_nuts You're right, appendChild expects a node, not a string. Updated. Thanks.
– markquezada
Jun 22 '15 at 21:18
1
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Android activity life cycle - what are all these methods for?
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import android.util.Log;
public class MainActivity extends Activity {
String tag = "LifeCycleEvents";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layo...
Function pointers, Closures, and Lambda
...s C# 3 method:
public Person FindPerson(IEnumerable<Person> people, string name)
{
return people.Where(person => person.Name == name);
}
The lambda expression not only encapsulates the logic ("compare the name") but also the environment, including the parameter (i.e. local variable) ...
Remove tracking branches no longer on remote
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@dlsso If the last commit message contains the string ": gone]" then yes it will be removed as well. You can make it more robust at the expense of simplicity by having an additional awk/gawk to strip off the commit message. git branch -vv | gawk '{print $1,$4}' | grep 'go...
Is 0 a decimal literal or an octal literal?
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If anybody's curious, the statement that "A token is a string of one or more characters that is significant as a group." appears to be from this Wikipedia article.
– Keith Thompson
Oct 30 '14 at 20:25
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