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Creating NSData from NSString in Swift
...g: NSString = NSString(data: jsonData, encoding: NSUTF8StringEncoding)
// Convert your data and set your request's HTTPBody property
var stringData: NSString = NSString(string: "jsonRequest=\(urlString)")
var requestBodyData: NSData = stringData.dataUsingEncoding(NSUTF8StringEncoding)!
...
error C2664:...No user-defined-conversion operator available that can ...
... >(unsigned int,const int &,
const class std::allocator<int> &)' : cannot convert parameter 1 from 'class std::deque<int,class std::allocator<int> >::iterator' to 'unsigned int'
No user-defined-conversion operator available that can perform this conversion, or the operator cannot be called...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
...以将析构函数设置为虚函数.
更正后的代码为(来自: c++ - converting a base class pointer to a derived class pointer)：
#include <iostream>
using namespace std;
class Base {
public:
Base() {};
virtual ~Base() {}; // make it polymorphic
};
template<class T>
class ...
php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e file being modified
echo $fileName . "---form---";
// Convert the contents
echo $encode = mb_detect_encoding($res, array("ASCII", "UTF-8", "GB2312", "GBK"));
echo "---to---UTF-8!\n";
$res = iconv($encode, "UTF-8", $res);
// Write back out to ...
delete word after or around cursor in VIM
... Probably worth mentioning that aw is one example of object selection. You can try object selections in visual mode to see what effect they have: vimdoc.sourceforge.net/htmldoc/motion.html#object-select
– crantok
Dec 29 '18 at 16:49
...
The split() method in Java does not work on a dot (.) [duplicate]
...
It works fine. Did you read the documentation? The string is converted to a regular expression.
. is the special character matching all input characters.
As with any regular expression special character, you escape with a \. You need an additional \ for the Java string escape.
...
Peak detection in a 2D array
...\n"
Output without overlapping squares. It seems that the same areas are selected as in your example.
Some comments
The tricky part is to calculate sums of all 2x2 squares. I assumed you need all of them, so there might be some overlapping. I used slices to cut the first/last columns and rows fr...
Vagrant stuck connection timeout retrying
... the GUI of Virtual box to see that it was waiting for input on startup to select whether I wanted to boot directly to ubuntu or safemode etc.
To turn on the GUI you have to put this in your vagrant config Vagrantfile:
config.vm.provider :virtualbox do |vb|
vb.gui = true
end
...
Check if OneToOneField is None in Django
...fortunately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasattr(object, 'onetoonerevrelattr') and object....
How to build an APK file in Eclipse?
...ned .apk from Eclipse, right-click the project in the Package Explorer and select Android Tools -> Export Unsigned Application Package. Then specify the file location for the unsigned .apk.
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