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为什么编译好的libcurl静态lib用不了？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...代码
#ifdef CURL_STATICLIB
# define CURL_EXTERN
#elif defined(WIN32) || defined(_WIN32) || defined(__SYMBIAN32__)
# if defined(BUILDING_LIBCURL)
# define CURL_EXTERN __declspec(dllexport)
# else
# define CURL_EXTERN __declspec(dllimport)
# endif
#elif defined(BUILDING_LIBCUR...
powershell 2.0 try catch how to access the exception
...tch [Net.WebException] {
$_ | fl * -Force
}
I think it will give you all the info you need.
My rule: if there is some data that is not displayed, try to use -force.
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max value of integer
...hine to machine, on embedded systems the int can be 16 bit wide, though usually it is 32 bit.
The only requirement is that short int <= int <= long int by size. Also, there is a recommendation that int should represent the native capacity of the processor.
All types are signed. The unsigned...
What is the best way to prevent session hijacking?
Specifically this is regarding when using a client session cookie to identify a session on the server.
12 Answers
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What is a lambda (function)?
...us and refers to anonymous functions in programming.
Why is this cool? It allows you to write quick throw away functions without naming them. It also provides a nice way to write closures. With that power you can do things like this.
Python
def adder(x):
return lambda y: x + y
add5 = adder(5)...
Get list of all routes defined in the Flask app
... with the @app.route('/...') decorator. Is there a way to get a list of all the routes that have been declared throughout my app? Perhaps there is some method I can call on the app object?
...
How to convert an enum type variable to a string?
...
There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
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How do you convert a DataTable into a generic list?
...e DataTableExtensions.AsEnumerable (an extension method) and then if you really need a List<DataRow> instead of just IEnumerable<DataRow> you can call Enumerable.ToList:
IEnumerable<DataRow> sequence = dt.AsEnumerable();
or
using System.Linq;
...
List<DataRow> list = dt.A...
Delete files older than 10 days using shell script in Unix [duplicate]
... these! Once, using a command very much like this in a cron job, I accidentally deleted every file on my production mail server older than 10 days, which I can tell you was no fun to recover from.
– DSimon
May 28 '14 at 20:00
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Input and output numpy arrays to h5py
I have a Python code whose output is a sized matrix, whose entries are all of the type float . If I save it with the extension .dat the file size is of the order of 500 MB. I read that using h5py reduces the file size considerably. So, let's say I have the 2D numpy array named A . How do I ...