大约有 15,572 项符合查询结果（耗时：0.0173秒） [XML]
Running Bash commands in Python
...ss = subprocess.Popen(bashCommand.split(), stdout=subprocess.PIPE)
output, error = process.communicate()
share
|
improve this answer
|
follow
|
...
How to lazy load images in ListView in Android
...
There is a bug, sometimes it's fired:10-13 09:58:46.738: ERROR/AndroidRuntime(24250): Uncaught handler: thread main exiting due to uncaught exception 10-13 09:58:46.768: ERROR/AndroidRuntime(24250): java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0 10-13 09:58:4...
Postgres unique constraint vs index
... master values (0, 0);
INSERT 0 1
test=# insert into master values (0, 1);
ERROR: duplicate key value violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: duplicate key value violates unique constraint "master_uniq...
Ruby 'require' error: cannot load such file
I've one file, main.rb with the following content:
13 Answers
13
...
Writing outputs to log file and console
... running the user script like log file name and path, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
...
Difference between 'struct' and 'typedef struct' in C++?
...
If you just said:
struct Foo { ... };
Foo x;
you would get a compiler error, because Foo is only defined in the tag namespace.
You'd have to declare it as:
struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add...
JUnit: how to avoid “no runnable methods” in test utils classes
... run successfully but test utility classes fail with "No runnable methods" error. The pattern I am using is to include all classes with name *Test* under test folder.
...
Most useful NLog configurations [closed]
...bug" writeTo="f1" />
<logger name="Name.Space.Class1" levels="Debug,Error" writeTo="f1" />
<logger name="Name.Space.*" writeTo="f3,f4" />
<logger name="Name.Space.*" minlevel="Debug" maxlevel="Error" final="true" />
See the NLog help for more info on exactly what each of th...
CKEditor instance already exists
...elow is not a good solution as it is an internal API that can also produce errors, it is always better to use instance.destroy(true)
– Bala Clark
May 14 '12 at 12:43
...
An example of how to use getopts in bash
...f expected arguments,
h - check for option -h without parameters; gives error on unsupported options;
h: - check for option -h with parameter; gives errors on unsupported options;
abc - check for options -a, -b, -c; gives errors on unsupported options;
:abc - check for options -a, -b, -c; silence...