大约有 23,000 项符合查询结果（耗时：0.0471秒） [XML]
What are dictionary view objects?
...termediate list.
Let's use examples. I've a dict with 1000 keys of random strings and digits and k is the key I want to look for
large_d = { .. 'NBBDC': '0RMLH', 'E01AS': 'UAZIQ', 'G0SSL': '6117Y', 'LYBZ7': 'VC8JQ' .. }
>>> len(large_d)
1000
# this is one option; It creates the keys() l...
What is the difference between Numpy's array() and asarray() functions?
...l be returned uncopied iff it's compatible with the specified requirements string.
copy: The input is always copied.
fromiter: The input is treated as an iterable (so, e.g., you can construct an array from an iterator's elements, instead of an object array with the iterator); always copied.
There ...
How to validate phone numbers using regex
...r will either send them to a competitor's site or make them enter a random string that fits your regex. I might even be tempted to look up the number of a premium rate horoscope hotline and enter that instead.
I would also consider any of the following as valid entries on a web site:
"123 456 789...
Rails formatting date
...
It's a time formatting function which provides you a way to present the string representation of the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 ...
Create a custom event in Java
...intln("Hello there...");
}
}
class Test {
public static void main(String[] args) {
Initiater initiater = new Initiater();
Responder responder = new Responder();
initiater.addListener(responder);
initiater.sayHello(); // Prints "Hello!!!" and "Hello there.....
Ignore Xcode warnings when using Cocoapods
...nhibit_all_warnings I still had the 'characters' is deprecated: Please use String or Substring directly warning in Pods. This setting removed this warning.
– Tiois
Dec 15 '17 at 15:05
...
Necessary to add link tag for favicon.ico?
...like PNG check out this question.
For cache busting purposes:
Add a query string to the path for cache-busting purposes:
<link rel="icon" href="/favicon.ico?v=1.1">
Favicons are very heavily cached and this a great way to ensure a refresh.
Footnote about default location:
As far as th...
Find which commit is currently checked out in Git
...iece of information, you can get that using git show with the --format=<string> option...and ask it not to give you the diff with --no-patch. This means you can get a printf-style output of whatever you want, which might often be a single field.
For instance, to get just the shortened hash (...
CursorLoader usage without ContentProvider
...nUri(getContext().getContentResolver(), uri); the uri may just from random String like Uri.parse("content://query_slot1"). Seem like it don't care the uri really exist or not. And once I done operation on DB. Say getContentResolver().notifyChange(uri, null); would do the trick. Then I may create few...
Disable git EOL Conversions
... Using * text=false does not unset text: it leaves text set to the string value false. This has the same effect as leaving text unspecified (not specifically unset). Using * -text gives it the special unset setting. Unsetting the text attribute on a path tells git not to attempt any end-of-l...