大约有 47,000 项符合查询结果（耗时：0.0530秒） [XML]
Disable a Button
...e a button ( UIButton ) on iOS after it is clicked. I am new to developing for iOS but I think the equivalent code on objective - C is this:
...
Cost of len() function
What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary)
5 Answers
...
How can I escape square brackets in a LIKE clause?
... I corrected the other part of the answer too. SQL Fiddle with before and after versions
– Martin Smith
Oct 31 '12 at 22:20
10
...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
...n keyword arguments or a dict argument, since any order there is removed before the OrderedDict constructor sees it.
Note that using a list comprehension in your last example doesn't change anything. There's no difference between OrderedDict([(i,i) for i in l]) and OrderedDict([('b', 'b'), ('a', '...
Is there a way to make mv create the directory to be moved to if it doesn't exist?
... work in other shells, but it might give you some ideas about what to look for.
Here is an example using this technique:
$ > ls
$ > touch yourfile.txt
$ > ls
yourfile.txt
$ > mkdir --parents ./some/path/; mv yourfile.txt $_
$ > ls -F
some/
$ > ls some/path/
yourfile.txt
...
How to handle both a single item and an array for the same property using JSON.net
...The best way to handle this situation is to use a custom JsonConverter.
Before we get to the converter, we'll need to define a class to deserialize the data into. For the Categories property that can vary between a single item and an array, define it as a List<string> and mark it with a [Js...
Displaying the build date
... PE header embedded in the executable file -- some C# code (by Joe Spivey) for that from the comments to Jeff's article:
public static DateTime GetLinkerTime(this Assembly assembly, TimeZoneInfo target = null)
{
var filePath = assembly.Location;
const int c_PeHeaderOffset = 60;
const in...
dplyr: “Error in n(): function should not be called directly”
...
for me the solution was detach() function I utilized that function down package
share
|
improve this answer
|
...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...mpatible with the oldschool 7-bit ASCII you should just encode everything. For characters in the 7-bit ASCII range this encoding will be an identity mapping.
– Tadeusz A. Kadłubowski
Mar 6 '14 at 7:47
...
Why does !{}[true] evaluate to true in JavaScript?
...l sense to say that something that is not undefined (!undefined) must therefore be defined. If something is defined then it's usually interpreted as true.
– OozeMeister
Oct 31 '13 at 16:50
...