大约有 15,000 项符合查询结果（耗时：0.0521秒） [XML]
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
How do you convert a numerical number to an Excel column name in C# without using automation getting the value directly from Excel.
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Create a menu Bar in WPF?
...lt;MenuItem.Header>
<DockPanel>
<TextBlock>Step</TextBlock>
<TextBlock Width="10"></TextBlock>
<TextBlock HorizontalAlignment="Right">F2</TextBlock>
</DockPanel>
</Me...
Simplest/Cleanest way to implement singleton in JavaScript?
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Can modules have properties the same way that objects can?
...s a module by stashing it in sys.modules[thename] = theinstance. So, for example, your m.py module file could be:
import sys
class _M(object):
def __init__(self):
self.c = 0
def afunction(self):
self.c += 1
return self.c
y = property(afunction)
sys.modules[__n...
Best way to parse command line arguments in C#? [closed]
... (Documentation) and/or Mono.Options (same API, different namespace). An example from the documentation:
bool show_help = false;
List<string> names = new List<string> ();
int repeat = 1;
var p = new OptionSet () {
{ "n|name=", "the {NAME} of someone to greet.",
v => name...
Apache Spark: map vs mapPartitions?
...answered Jan 17 '14 at 19:46
Alexey RomanovAlexey Romanov
147k3030 gold badges247247 silver badges403403 bronze badges
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Why does Python print unicode characters when the default encoding is ASCII?
...anks to bits and pieces from various replies, I think we can stitch up an explanation.
By trying to print an unicode string, u'\xe9', Python implicitly try to encode that string using the encoding scheme currently stored in sys.stdout.encoding. Python actually picks up this setting from the enviro...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ew_list = old_list.copy()
You can slice it:
new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In his opinion, the next one is more readable).
You can use the built in list() function:
n...
Using the scrollwheel in GNU screen
...elieve you can just add a line like this to your ~/.screenrc:
termcapinfo xterm* ti@:te@
Where "xterm*" is a glob match of your current TERM. To confirm it works, ^A^D to detach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What...
How do I check if a given string is a legal/valid file name under Windows?
...t's going to be a legal filename under Windows. I've tried to use regular expression like [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check?
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