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半个汉字的校验与处理(C++) - C/C++ - 清泛网 - 专注C/C++及内核技术
...导致xml解析失败，或者sql执行错误的异常。为了解决这个问题，有必要找到并删除半个汉字，或者存放的时候，即便截断，也不产生新的半个汉字。
以下是我近期对半个汉字的处理，C++代码如下：
// strSrc: 原始字符串
// n...
What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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Perform .join on value in array of objects
...ensions. You can do [x.name for x of users] (spec wiki.ecmascript.org/doku.php?id=harmony:array_comprehensions) . Worth mentioning that just like using map/reduce/filter isn't very 'pythonic' the other way probably holds in JavaScript. CoffeeScript is cool with them though coffeescript.org .
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What is the difference between window, screen, and document in Javascript?
...at about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document actually gets loaded inside the window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means i...
Getting the last revision number in SVN?
Using PHP, Perl, or Python (preferably PHP), I need a way to query an SVN database and find out the last revision number sent to SVN. I don't need anything other than that. It needs to be non-intensive (so I do it every 5 minutes as a cron job; SVN's performance should not be affected).
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How to tell if node.js is installed or not
... My mistake, I forgot to mention I am running this through a php script. So where then will it be printed if not by terminal?
– user1340052
May 7 '12 at 1:38
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Scalar vs. primitive data type - are they the same thing?
...ce of scalars and primitives, it depends on the language. According to the PHP manual, for example, only half of its primitive types are scalars: php.net/manual/en/language.types.intro.php
– Joe Bowbeer
May 16 '16 at 18:36
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Using OpenSSL what does “unable to write 'random state'” mean?
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Yes, if you run from php web server, the user is www-data, and you should add "export" before every openssl: shell_exec('export RANDFILE=".rnd";openssl ecparam -genkey -name secp256k1'))
– diyism
Jun 21 '13...
Rails params explained?
...2".
The Ruby on Rails params are the equivalent of the $_REQUEST array in PHP.
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Can anyone explain what JSONP is, in layman terms? [duplicate]
...p; xhr.status == 200) {
// success
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP Request:
var tag = document.createElement("script");
tag.src = 'somewhere_else.php?callback=foo';
document.getElementsByTagName("head")[0].appendChild(tag);
The difference between a JSON...