大约有 1,832 项符合查询结果（耗时：0.0241秒） [XML]
Examples of GoF Design Patterns in Java's core libraries
...mento not command. Or most probably both.
– Stimpson Cat
Sep 3 '18 at 11:37
Could you please help me in a related ques...
How to tell Maven to disregard SSL errors (and trusting all certs)?
...
You can disable SSL certificate checking by adding one or more of these command line parameters:
-Dmaven.wagon.http.ssl.insecure=true - enable use of relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable mat...
Postgres: Distinct but only for one column
...pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
...
Semicolons superfluous at the end of a line in shell scripts?
...l:
[root@server test]# ls;pwd;
On shell script:
[root@server test]# cat test4.sh
echo "Current UserName:"
whoami
echo -e "\nCurrent Date:";date;
[root@server test]#
But I am not agree with the comment that & is equivalent to newline or single semicolon
& is run commands in backg...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...ing to the article, automated flooding was no longer possible. Rather, dedicated people were able to vote several times faster than they otherwise could (and various non-captcha-related techniques were used to thwart ineffective measures against such heavy voting by humans). Basically equivalent to ...
Extract substring using regexp in plain bash
...
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[...
Grepping a huge file (80GB) any way to speed it up?
...p will tell you. Some versions of the man also say that the former is deprecated for the latter, but the shorter form is too convenient to die.
– Walter Tross
Jun 7 '16 at 16:20
...
What is time_t ultimately a typedef to?
...e bottom line is that the type of time_t is not guaranteed in the C specification.
The time_t datatype is a data type in
the ISO C library defined for storing
system time values. Such values are
returned from the standard time()
library function. This type is a
typedef defined in the s...
Understanding the map function
... answered Jun 11 '12 at 1:50
Cat Plus PlusCat Plus Plus
108k2424 gold badges181181 silver badges212212 bronze badges
...
Is String.Format as efficient as StringBuilder
...some benchmarking:
http://jdixon.dotnetdevelopersjournal.com/string_concatenation_stringbuilder_and_stringformat.htm
Updated:
Sadly the link above has since died. However there's still a copy on the Way Back Machine:
http://web.archive.org/web/20090417100252/http://jdixon.dotnetdevelopers...