大约有 23,000 项符合查询结果(耗时:0.0296秒) [XML]
Apply pandas function to column to create multiple new columns?
...me column or series you have to create a dataframe of multiple new columns based on a transformation on the original column/series. The transformation function often returns k-tuples, and these k-tuples must be separated into k columns, based on some order. @Ben's answer clearly does this very neatl...
Is MATLAB OOP slow or am I doing something wrong?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
Draft saved
Draft discarded
...
How does one make random number between range for arc4random_uniform()?
... the upper bound is not inclusive. The part "arc4random_uniform(20)+10" is based off community edit and votes.
– Sky
Nov 29 '16 at 13:02
...
How do I make a request using HTTP basic authentication with PHP curl?
...
CURLOPT_USERPWD basically sends the base64 of the user:password string with http header like below:
Authorization: Basic dXNlcjpwYXNzd29yZA==
So apart from the CURLOPT_USERPWD you can also use the HTTP-Request header option as well like below with other head...
C# vs C - Big performance difference
... C++ application may perform more slowly than the corresponding C# or .NET based application. When specifying the project properties on your C++ application, make sure you enable "full optimization" and "favour fast code". If you have a 64 bit machine, you MUST specify to generate x64 as the target ...
oracle10g 网址收藏 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (x64)
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_database.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_client.zip
http://download.oracle.com/otn/nt/oracle10g/10201/10201...
oracle10g 网址收藏 - ORACLE - 清泛IT论坛,有思想、有深度
...Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (x64)
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_database.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_client.zip
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win...
Multiple glibc libraries on a single host
...rogram: /path/to/newglibc/ld-linux.so.2 --library-path /path/tonewglibc/lib64:/path/to/newglibc/usr/lib64 /path/to/myapp
– maximk
Sep 14 '16 at 11:09
...
How do you format an unsigned long long int using printf?
... try using the inttypes.h library that gives you types such as
int32_t, int64_t, uint64_t etc.
You can then use its macros such as:
uint64_t x;
uint32_t y;
printf("x: %"PRId64", y: %"PRId32"\n", x, y);
This is "guaranteed" to not give you the same trouble as long, unsigned long long etc, since y...
Cannot run Eclipse; JVM terminated. Exit code=13
...
Okey, I solve it. I just reinstall JDK 64-bit, re-extact eclipse-64bit and edit eclipse.ini again.
– Prince OfThief
Feb 9 '11 at 14:13
...