大约有 22,000 项符合查询结果(耗时:0.0297秒) [XML]

https://stackoverflow.com/ques... 

I didn't find “ZipFile” class in the “System.IO.Compression” namespace

... could do this: #region /// <summary> /// Custom Method - Check if 'string' has '.png' or '.PNG' extension. /// </summary> static bool HasPNGExtension(string filename) { return Path.GetExtension(filename).Equals(".png", StringComparison.InvariantCultureIgnoreCase) || Path.Ge...
https://stackoverflow.com/ques... 

Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_

...; #include <chrono> #include <x86intrin.h> int main(int argc, char* argv[]) { using namespace std; uint64_t size=1<<20; uint64_t* buffer = new uint64_t[size/8]; char* charbuffer=reinterpret_cast<char*>(buffer); for (unsigned i=0;i<size;++i) charbuffer[i]=...
https://stackoverflow.com/ques... 

Eclipse error “ADB server didn't ACK, failed to start daemon”

...ke an entry in this file ~/.android/adb_usb.ini, but unknowingly added few extra blank lines. Now removed it. got fixed, thanks. – Thiru Jul 20 '13 at 12:30 add a comment ...
https://stackoverflow.com/ques... 

Why implement interface explicitly?

... Hi Michael B. So why in implementation of string in .NET there public implementation of IComparable: public int CompareTo(Object value) { if (value == null) { return 1; } if (!(value is String)) { ...
https://stackoverflow.com/ques... 

How to check BLAS/LAPACK linkage in NumPy and SciPy?

...gt; import numpy as np >>> np.show_config() lapack_opt_info: extra_link_args = ['-Wl,-framework', '-Wl,Accelerate'] extra_compile_args = ['-msse3'] define_macros = [('NO_ATLAS_INFO', 3)] blas_opt_info: extra_link_args = ['-Wl,-framework', '-Wl,Accelerate'] extra_compile...
https://stackoverflow.com/ques... 

Concatenating string and integer in python

... Modern string formatting: "{} and {}".format("string", 1) share | improve this answer | follow ...
https://stackoverflow.com/ques... 

When should you not use virtual destructors?

...ays that if you were to copy from an object with POD type into an array of chars (or unsigned chars) and back again, then the result will be the same as the original object.] Modern C++ In recent versions of C++, the concept of POD was split between the class layout and its construction, copying a...
https://stackoverflow.com/ques... 

What is time_t ultimately a typedef to?

... to migrate your code. Your data will be fine if you store your data as a string, even if it's something simple like: FILE *stream = [stream file pointer that you've opened correctly]; fprintf (stream, "%d\n", (int)time_t); Then just read it back the same way (fread, fscanf, etc. into an int), a...
https://stackoverflow.com/ques... 

How should I escape commas and speech marks in CSV files so they work in Excel?

... rules. If the value contains a comma, newline or double quote, then the String value should be returned enclosed in double quotes. Any double quote characters in the value should be escaped with another double quote. If the value does not contain a comma, newline or double quote, then the String ...
https://stackoverflow.com/ques... 

C# string reference type?

I know that "string" in C# is a reference type. This is on MSDN. However, this code doesn't work as it should then: 10 An...