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Change URL parameters
...t that weird stuff out of your URL. Or, in other words, "change your query-string to use only valid UTF-8 characters". :) F8 alone isn't a valid UTF-8 character.
– Matthew Flaschen
Jul 7 '09 at 9:51
...
Objective-C parse hex string to integer
I would like to know how to parse a hex string, representing a number, in Objective-C. I am willing to use both an objective, or a C-based method, either is fine.
...
Convert NSArray to NSString in Objective-C
...ng how to convert an NSArray [@"Apple", @"Pear ", 323, @"Orange"] to a string in Objective-C .
9 Answers
...
vector vs. list in STL
... It doesn't even have to be an UglyBlob -- even an objects with just a few string members can easily be prohibitively expensive to copy, so the reallocations will cost. Also: Don't neglect the space overhead the exponential growth of a vector holding objects of a few dozen bytes in size can cause (i...
Convert Iterator to ArrayList
...
You can copy an iterator to a new list like this:
Iterator<String> iter = list.iterator();
List<String> copy = new ArrayList<String>();
while (iter.hasNext())
copy.add(iter.next());
That's assuming that the list contains strings. There really isn't a faster way t...
Best way for a 'forgot password' implementation? [closed]
...s the time when the user pressed the "Forgot Password" button. The ID is a string. A long random string is created (say, a GUID) and then hashed like a password (which is a separate topic in and of itself). This hash is then used as the 'ID' in the table.
The system sends an email to the user which ...
C++虚继承的概念 - C/C++ - 清泛网 - 专注C/C++及内核技术
..." << endl;}
34: private:
35: };
36:
37: int main(int argc, char* argv[])
38: {
39: Child c;
40:
41: //不能这样使用，会产生二意性，VC下error C2385
42: //c.print();
43:
44: //只能这样使用
45: c.Base::print();
46: c.Sub::print...
The simplest way to comma-delimit a list?
...
Java 8 and later
Using StringJoiner class :
StringJoiner joiner = new StringJoiner(",");
for (Item item : list) {
joiner.add(item.toString());
}
return joiner.toString();
Using Stream, and Collectors:
return list.stream().
map(Object...
What is the advantage to using bloom filters?
... bits, for small integers, to an
arbitrary number of bits, such as for
strings (tries are an exception, since
they can share storage between
elements with equal prefixes). Linked
structures incur an additional linear
space overhead for pointers. A Bloom
filter with 1% error and an opti...
Run Command Prompt Commands
...
this is all you have to do run shell commands from C#
string strCmdText;
strCmdText= "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
System.Diagnostics.Process.Start("CMD.exe",strCmdText);
EDIT:
This is to hide the cmd window.
System.Diagnostics.Process process = new Syste...