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Access-Control-Allow-Origin wildcard subdomains, ports and protocols

...use that's the correct way to do it (even though . is the only regexp meta char valid in a DNS name, preg_quote() describes the intended operation better) – DaveRandom Jul 20 '15 at 0:13 ...
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Byte[] to InputStream or OutputStream

...ld represent any kind of data which may need special types of conversions (character, encrypted, etc). let's pretend you want to write this data as is to a file. firstly you could create a ByteArrayInputStream which is basically a mechanism to supply the bytes to something in sequence. then you co...
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How can I use mySQL replace() to replace strings in multiple records?

...LACE(FieldName,")","") WHERE FieldName is not NULL; #raplace or delete any char you want #.......................... END In this way you have modularized control over table. You can also generalize stored procedure making it, parametric with table to sanitoze input parameter ...
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How do you copy the contents of an array to a std::vector in C++ without looping?

...ven when a function expects c-style arrays you can use vectors: vector<char> v(50); // Ensure there's enough space strcpy(&v[0], "prefer vectors to c arrays"); Hope that helps someone out there! share ...
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...映射成一个字符索引表。如下所示:(其中的SP是空格,Char是字符,Value是其索引值) 编码的过程是把字符两两分组,然后转成下表的45进制,然后转成11bits的二进制,如果最后有一个落单的,那就转成6bits的二进制。而编码模...
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Is there any kind of hash code function in JavaScript?

... var hash = 0; for (var i = 0; i < this.length; i++) { var character = this.charCodeAt(i); hash = ((hash<<5)-hash)+character; hash = hash & hash; // Convert to 32bit integer } return hash; } That is the way of implementation in Java (bitwise operat...
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Loop through an array of strings in Bash?

...t contains a tab it'll be changed to a space, etc. – Charles Duffy Jul 9 '16 at 15:02 10 ...
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“Unknown class in Interface Builder file” error at runtime

...ch does nothing, but that I would call once, such as: int main( int argc, char** argv ) { [MyClass _keepAtLinkTime]; // Your code. } This would force the linker to keep the whole class, and the error disappears. As jlstrecker pointed out in the comments, we do not really need to add a _kee...
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Deserialize JSON into C# dynamic object?

... sometimes in js you have fields with special chars like "background-color". To access such fields in js you do obj["background-color"]. How can I access such fields from c# after deserializing to dynamic object? I can't do obj.background-color, of course, and obj["backg...
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Convert camelCaseText to Sentence Case Text

...; var result = text.replace( /([A-Z])/g, " $1" ); var finalResult = result.charAt(0).toUpperCase() + result.slice(1); console.log(finalResult); capitalize the first letter - as an example. Note the space in " $1". EDIT: added an example of capitalization of the first letter. Of course, in case t...