大约有 22,000 项符合查询结果(耗时:0.0169秒) [XML]
How can I find non-ASCII characters in MySQL?
...
This only works (for me anyway) to find strings that contain NONE of those characters. It does not find strings that contain a mix of ASCII and non-ASCII characters.
– Ian
Sep 11 '18 at 7:24
...
What are “connecting characters” in Java identifiers?
...ter.isJavaIdentifierStart(i)) {
System.out.println("character: " + String.valueOf(Character.toChars(i))
+ ", codepoint: " + i + ", hexcode: " + Integer.toHexString(i));
}
}
prints the connecting characters that can be used to start an identifer on jdk1.6.0_45
character...
Maximum filename length in NTFS (Windows XP and Windows Vista)?
...OS and (WIN32DOS - when a filename can be natively a DOS name). (Since the string has a length, it could contain \0 but that would yield to problems and is not in the namespaces above.)
Thus the name of a file or directory can be up to 255 characters. When specifying the full path under Windows, yo...
Difference between >>> and >>
...y signed numbers by 2^k, I find it weird that this is everyone's answer. A string of bits isn't a number, and >> can always be used on any string of bits: it always does the same thing regardless of the role that string of bits is playing and regardless of whether it has a concept of 'sign'. W...
Getting LaTeX into R Plots
...
By approximately, I meant that LaTeX strings are translated into R's plotmath expressions -- which means that if plotmath does not support a specific LaTeX symbol, it will either not be rendered or it will be rendered by combining symbols that are available.
...
How do I show the value of a #define at compile-time?
...al query, but this may still be useful.
This can be done in GCC using the stringify operator "#", but it requires two stages.
#define XSTR(x) STR(x)
#define STR(x) #x
The value of a macro can then be displayed with:
#pragma message "The value of ABC: " XSTR(ABC)
See: 3.4 Stringification in th...
jQuery post() with serialize and extra data
...to add additional params to the array,
call $.param(arr) to get serialized string, which could be used as jquery ajax's data param.
Example code:
var paramArr = $("#loginForm").serializeArray();
paramArr.push( {name:'size', value:7} );
$.post("rest/account/login", $.param(paramArr), function(resu...
Type erasure techniques
...oid>)> call;
call = reinterpret_cast<voidFun>(fun<std::string>);
call(std::make_shared<std::string>("Hi there!"));
call = reinterpret_cast<voidFun>(fun<int>);
call(std::make_shared<int>(33));
call = reinterpret_cast<voidFun>(fun&...
How to add extra info to copied web text
...nswer: [stackoverflow.com/a/4177234/4177020] And now you can replace this string var selection = window.getSelection(); by this one: var selection = getSelectionHtml();
– Dzmitry Kulahin
Oct 2 '19 at 16:08
...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
Does javascript use immutable or mutable strings? Do I need a "string builder"?
10 Answers
...
