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Why is GHC so large/big?
...HY2MmxPcEYzYkpweEtDSS1fUlE&hl=en
It looks like the largest directory (123 MB) is the binaries for compiling the compiler itself. The documents weigh in at an astounding 65 MB. Third place is Cabal at 41 MB.
The bin directory is 33 MB, and I think that only a subset of that is what's technica...
How to write very long string that conforms with PEP8 and prevent E501
...t will result in a tuple, not a string. ;)
– bugmenot123
Sep 18 '15 at 13:00
7
Isn't adding the +...
How to check if a string is a valid date
...
DateTime.parse "123" rescue nil . This returns a real date.. May 3 2017
– baash05
Apr 5 '17 at 6:09
3
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Converting String to Int with Swift
...
swift 4.0
let stringNumber = "123"
let number = Int(stringNumber) //here number is of type "Int?"
//using Forced Unwrapping
if number != nil {
//string is converted to Int
}
you could also use Optional Binding other than forced binding.
eg...
cout保留两位小数输出 - C/C++ - 清泛网 - 专注C/C++及内核技术
...precision函数需要引入该头文件
int main() {
double dval = 123.456789;
// C风格
printf("in C: %.2f\n", dval);
// cout固定输出几位（整数+小数一起）
std::cout << std::setprecision(5) << dval << std::endl;
// cout固定输出2位小数，整数...
C++ protobuf使用入门实例 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ze------
google::protobuf::TestValue msg_val;
msg_val.set_number_value(123.f);
std::string str = msg_val.SerializeAsString();
std::cout << "--------- len:" << str.length() << ":" << str << std::endl;
google::protobuf::Test message;
message.mutable_fields()->operator []("test") = msg_va...
App Inventor 2 Clipboard 拓展：实现剪贴板的复制粘贴功能 · App Inventor 2 中文网
...基于 TaifunClipboard 拓展 开发。
.aix 拓展下载：
cn.fun123.Clipboard.aix
demo程序下载：
Clipboard.aia
使用方法
属性及方法很简单，默认操作成功后显示提示信息，SuppressToast设置为 假 后，则不显示提示信息。
...
Retrieving parameters from a URL
...
import urlparse
url = 'http://example.com/?q=abc&p=123'
par = urlparse.parse_qs(urlparse.urlparse(url).query)
print par['q'][0], par['p'][0]
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...cked__)) my_struct {
char c;
int i;
};
struct my_struct a = {'a', 123};
struct my_struct *b = &a;
int c = a.i;
int d = b->i;
int *e __attribute__((aligned(1))) = &a.i;
int *f = &a.i;
Here, the type of a is a packed struct (as defined above). Similarly, b is a pointer to a p...
Find MongoDB records where array field is not empty
...d only happen if pictures is a sub-doc, not an array. e.g. pictures: {'2': 123}
– JohnnyHK
Aug 24 '15 at 19:46
5
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