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Is there a reason that we cannot iterate on “reverse Range” in ruby?
...its start and end, not by its contents. "Iterating" over a range doesn't really make sense in a general case. Consider, for example, how you would "iterate" over the range produced by two dates. Would you iterate by day? by month? by year? by week? It's not well-defined. IMO, the fact that it's allo...
How to change plot background color?
...he stateful API (if you're doing anything more than a few lines, and especially if you have multiple plots, the object-oriented methods above make life easier because you can refer to specific figures, plot on certain axes, and customize either)
plt.plot(...)
ax = plt.gca()
Then you can use set_...
What is the best way to implement “remember me” for a website? [closed]
...match, a theft is assumed. The user receives a strongly worded warning and all of the user's remembered sessions are deleted.
If the username and series are not present, the login cookie is ignored.
This approach provides defense-in-depth. If someone manages to leak the database table, it does no...
Batch: Remove file extension
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In case the file your variable holds doesn't actually exist the FOR approach won't work. One trick you could use, if you know the length of the extension, is taking a substring:
%var:~0,-4%
the -4 means that the last 4 digits (presumably .ext) will be truncated.
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Android: Clear the back stack
... to the
foreground, and then clear it to its
root state. This is especially useful,
for example, when launching an
activity from the notification
manager.
So your code to launch A would be:
Intent intent = new Intent(this, A.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Inten...
Eloquent Collection: Counting and Detect Empty
...port\Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty())...
Should logger be private static or not
Should logger be declared static or not? Usually I've seen two types of declaration for a logger :
4 Answers
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Can my enums have friendly names? [duplicate]
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Enum value names must follow the same naming rules as all identifiers in C#, therefore only first name is correct.
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Repeat Character N Times
... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*")
– Dexygen
J...
Android soft keyboard covers EditText field
Is there a way to make the screen scroll to allow the text field to be seen?
14 Answers
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