大约有 19,000 项符合查询结果（耗时：0.0417秒） [XML]
In php, is 0 treated as empty?
...this one as well. The issue we often deal with is unset variables - say a form element that may or may not have been there, but for many elements, 0 (or the string '0' which would come through the post more accurately, but still would be evaluated as "falsey") is a legitimate value say on a dropdow...
How do I format XML in Notepad++?
...xperience, libXML gives nice output but only if the file is 100% correctly formed.
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Get the Highlighted/Selected text
...de an editable element containing one or more elements (such as images and form controls) with outlines and resize handles. If you call .createRange() on such a selection, you get a ControlRange rather than a TextRange, and ControlRanges have no text property.
– Tim Down
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QString to char* conversion
...rmally live until the end of the statement that creates them. So the first form in the answer is ok if it's used in-line in a function call (assuming the function doesn't store the pointer for future use) but it's not ok if it's assigned to a variable.
– plugwash
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Find out time it took for a python script to complete execution
... Last line should probably read print('It took {0:0.1f} seconds'.format(time.time() - start)) in python 3.x.
– Chris Mueller
Feb 3 '16 at 19:24
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How to convert number to words in java
...ion
This is the code from the website:
English
import java.text.DecimalFormat;
public class EnglishNumberToWords {
private static final String[] tensNames = {
"",
" ten",
" twenty",
" thirty",
" forty",
" fifty",
" sixty",
" seventy",
" eighty",
" nine...
Why does Java switch on contiguous ints appear to run faster with added cases?
... rdx = int
# [sp+0x20] (sp of caller)
0x00000000024f0160: mov DWORD PTR [rsp-0x6000],eax
; {no_reloc}
0x00000000024f0167: push rbp
0x00000000024f0168: sub rsp,0x10 ;*synchronization entry
...
How to create composite primary key in SQL Server 2008
... Not quite true. Both create "named constraints". It's just that with the former, you don't control the naming. But once created, you can look up the name that was used and delete/update by name...
– Auspex
Jul 3 '17 at 15:53
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Suppress/ print without b' prefix for bytes in Python 3
...anually slice off the b'' from the resulting repr():
>>> x = b'\x01\x02\x03\x04'
>>> print(repr(x))
b'\x01\x02\x03\x04'
>>> print(repr(x)[2:-1])
\x01\x02\x03\x04
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Checkout another branch when there are uncommitted changes on the current branch
...e work-tree is where you work on your files. Here, they have their normal form, rather than some special only-useful-to-Git form like they do in commits and in the index. So you extract a file from a commit, through the index, and then on into the work-tree. After changing it, you git add it to t...