大约有 19,024 项符合查询结果（耗时：0.0349秒） [XML]
Adding information to an exception?
...ppens at %s' % arg1)
bar('arg1')
Traceback (most recent call last):
File "test.py", line 13, in <module>
bar('arg1')
File "test.py", line 11, in bar
raise type(e)(e.message + ' happens at %s' % arg1)
IOError: Stuff happens at arg1
Update 1
Here's a slight modification that ...
Execute another jar in a Java program
...r" parameter and it doesn't work. With only one, we only need to put the 3 files .jar in the same place
– Duc Tran
Apr 17 '12 at 16:06
...
How to detect if my shell script is running through a pipe?
...ped to cat.
The -t flag is described in man pages as
-t fd True if file descriptor fd is open and refers to a terminal.
... where fd can be one of the usual file descriptor assignments:
0: stdin
1: stdout
2: stderr
...
How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...
The /sys filesystem should contain plenty information for your quest. My system (2.6.32-40-generic #87-Ubuntu) suggests:
/sys/class/tty
Which gives you descriptions of all TTY devices known to the system. A trimmed down example:
#...
What is the difference between client-side and server-side programming?
...cript type="text/javascript">
var foo = 'bar';
<?php
file_put_contents('foo.txt', ' + foo + ');
?>
var baz = <?php echo 42; ?>;
alert(baz);
</script>
Step 1, PHP executes all code between <?php ?> tags. The result is this:
<script type="t...
How to add NERDTree to your .vimrc
... the answer you're looking for is to add the line below into your ~/.vimrc file. It tells Vim that you want to setup a command to run when Vim starts, but since it depends on various plugins to be loaded, you don't want to run it until all initialization is finished:
autocmd VimEnter * NERDTree
...
Migration: Cannot add foreign key constraint
...Migrations get executed in the order they were created as indicated by the file name generated after running migrate:make. E.g. 2014_05_10_165709_create_student_table.php.
The solution was to rename the file with the foreign key to an earlier time than the file with the primary key as recommended h...
Apache: client denied by server configuration
...espectively. Strange... I guess I need to compare each server's httpd.conf files to see if there is a config difference there...
– Darragh Enright
Jul 23 '14 at 1:22
...
Is Tomcat running?
...
Why grep ps, when the pid has been written to the $CATALINA_PID file?
I have a cron'd checker script which sends out an email when tomcat is down:
kill -0 `cat $CATALINA_PID` > /dev/null 2>&1
if [ $? -gt 0 ]
then
echo "Check tomcat" | mailx -s "Tomcat not running" support@...
e.printStackTrace equivalent in python
... error 1294 Something awful happened!
Traceback (most recent call last):
File "b.py", line 22, in f
g()
File "b.py", line 14, in g
1/0
ZeroDivisionError: integer division or modulo by zero
(From http://blog.tplus1.com/index.php/2007/09/28/the-python-logging-module-is-much-better-than-p...