大约有 22,000 项符合查询结果（耗时：0.0364秒） [XML]
What are the downsides to using Dependency Injection? [closed]
... I probably want to switch from std::cout to std::wcout. But that means my strings then have to be of wchar_t, not of char. Either every caller has to be changed, or (more reasonably), the old implementation gets replaced with an adaptor that translates the string and calls the new implementation.
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Hash Map in Python
...text, is dict(key1=value1, key2=value2, ...) but that requires the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary).
– user395760
Jan 2 '12 at 17:31
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C/C++ NaN constant (literal)?
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What are the differences between outputs for different strings? Which one should we use in typical numerical code?
– quant_dev
Jul 26 at 19:55
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Ruby: Can I write multi-line string with no concatenation?
...tual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "this is a multi-line string using implicit concatenation to eliminate spare
\\n's"
As a bonus, here's a version using funny HEREDOC syntax (via...
Remove characters from NSString?
I want to remove the spaces, so the new string would be "ABCDEFG".
6 Answers
6
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How can I use UUIDs in SQLAlchemy?
...ve storing as binary(16 bytes) should end up being more efficient than the string representation(36 bytes?), And there seems to be some indication that indexing 16 byte blocks should be more efficient in mysql than strings. I wouldn't expect it to be worse anyway.
One disadvantage I've found is tha...
How do I generate random number for each row in a TSQL Select?
...change your range, just change the number at the end of the expression. Be extra careful if you need a range that includes both positive and negative numbers. If you do it wrong, it's possible to double-count the number 0.
A small warning for the math nuts in the room: there is a very slight bias i...
SVG get text element width
...lue"; // for convenience when visible
div.innerHTML = "YOUR STRING";
document.body.appendChild(div);
var offsetWidth = div.offsetWidth;
var clientWidth = div.clientWidth;
document.body.removeChild(div);
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Pick any kind of file via an Intent in Android
...y solution which works on Samsung and other devices:
public void openFile(String mimeType) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.setType(mimeType);
intent.addCategory(Intent.CATEGORY_OPENABLE);
// special intent for Samsung file manager
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Check if a string contains another string
I want to find if a string contains a ","(comma) in it. Do we have any other option other than reading char-by-char?
4 Answ...