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Is there a generator version of `string.split()` in Python?
string.split() returns a list instance. Is there a version that returns a generator instead? Are there any reasons against having a generator version?
...
What is The Rule of Three?
... actually means.
Let us consider a simple example:
class person
{
std::string name;
int age;
public:
person(const std::string& name, int age) : name(name), age(age)
{
}
};
int main()
{
person a("Bjarne Stroustrup", 60);
person b(a); // What happens here?
b = ...
Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...模板中写死的字符限制数：
template\default\forum\post_editor_extra.htm
（一共5处）
修改后代码：
<div class="z">
<!--{if $_GET[action] == 'reply' && !empty($_GET['addtrade']) || $_GET[action] == 'edit' && $thread['special'] == 2 && !$postinfo['first']...
Are Javascript arrays sparse?
...ly hash tables internally, so you can use not only large integers but also strings, floats, or other objects. All keys get converted to strings via toString() before being added to the hash. You can confirm this with some test code:
<script>
var array = [];
array[0] = "zero";
array[new ...
How to format a Java string with leading zero?
Here is the String, for example:
21 Answers
21
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Difference between one-to-many and many-to-one relationship
...ually add any columns to the table that is the "one". The Customer has no extra columns which describe the relationship with Order. In fact the Customer might also have a one-to-many relationship with ShippingAddress and SalesCall tables and yet have no additional columns added to the Customer tab...
No visible cause for “Unexpected token ILLEGAL”
...rs. It seems the tool uses that character to control word-wrapping on long strings.
UPDATE 2013-01-07
After the latest jsfiddle update, it's now showing the character as a red dot like codepen does. Apparently, it's also not inserting U+200B characters on its own anymore, so this problem should be ...
What does the comma operator , do?
...
I've seen used most in while loops:
string s;
while(read_string(s), s.len() > 5)
{
//do something
}
It will do the operation, then do a test based on a side-effect. The other way would be to do it like this:
string s;
read_string(s);
while(s.len() >...
SQL injection that gets around mysql_real_escape_string()
Is there an SQL injection possibility even when using mysql_real_escape_string() function?
4 Answers
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Printing hexadecimal characters in C
...rted to int, and to keep the semantical equivalence, the compiler pads the extra bytes with 0xff, so the negative int will have the same numerical value of your negative char. To fix this, just cast to unsigned char when printing:
printf("%x", (unsigned char)variable);
...