大约有 44,700 项符合查询结果（耗时：0.0657秒） [XML]
Read an Excel file directly from a R script
...
12 Answers
12
Active
...
Print PHP Call Stack
...
126
If you want to generate a backtrace, you are looking for debug_backtrace and/or debug_print_bac...
AutoMapper: “Ignore the rest”?
...
Can GencerCan Gencer
8,27955 gold badges2828 silver badges5151 bronze badges
...
Accessing inactive union member and undefined behavior?
...ough a union, whereas C++ (c++11) has no such permission.
c11
6.5.2.3 Structure and union members
95) If the member used to read the contents of a union object is not the same as the member last used to
store a value in the object, the appropriate part of the object representation of...
Selenium: FirefoxProfile exception Can't load the profile
Per this previous question I updated Selenium to version 2.0.1
But now I have another error, even when the profile files exist under /tmp/webdriver-py-profilecopy :
...
Is there a Pattern Matching Utility like GREP in Windows?
...
32 Answers
32
Active
...
Bash if statement with multiple conditions throws an error
...
251
Use -a (for and) and -o (for or) operations.
tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_0...
Change the current directory from a Bash script
...adding this line:
# . ~/bin/myprog.sh
#
function myprog() {
A=$1
B=$2
echo "aaa ${A} bbb ${B} ccc"
cd /proc
}
The reason is that each process has its own current directory, and when you execute a program from the shell it is run in a new process. The standard "cd", "pushd" and "popd" ar...
The way to check a HDFS directory's size?
...
Prior to 0.20.203, and officially deprecated in 2.6.0:
hadoop fs -dus [directory]
Since 0.20.203 (dead link) 1.0.4 and still compatible through 2.6.0:
hdfs dfs -du [-s] [-h] URI [URI …]
You can also run hadoop fs -help for more ...