大约有 47,000 项符合查询结果（耗时：0.0355秒） [XML]
How do I get logs/details of ansible-playbook module executions?
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If you pass the -v flag to ansible-playbook on the command line, you'll see the stdout and std...
How to inspect the return value of a function in GDB?
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121
I imagine there are better ways to do it, but the finish command executes until the current st...
Programmatically obtain the Android API level of a device?
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You can obtain API level programatically by the system constant (Build.VERSION.SDK_INT). For e...
Read input from console in Ruby?
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edited Jun 2 '15 at 16:16
Marius Butuc
15k1818 gold badges7474 silver badges109109 bronze badges
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
...f the array.
So for example:
int[] array = new int[5];
int boom = array[10]; // Throws the exception
As for how to avoid it... um, don't do that. Be careful with your array indexes.
One problem people sometimes run into is thinking that arrays are 1-indexed, e.g.
int[] array = new int[5];
// ...
How do I view the list of functions a Linux shared library is exporting?
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What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
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00012ea0 T alcSetThreadContext
000140f0 T alcSuspendContext
U atanf
U calloc
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Exported sumbols are indicated by a T. Required symbols that must be loaded from other shared objects have a U. No...
How do I properly compare strings in C?
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edited Sep 20 '15 at 5:57
Jonathan Leffler
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How can I create a Set of Sets in Python?
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121
Python's complaining because the inner set objects are mutable and thus not hashable. The solu...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
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2130
Real, User and Sys process time statistics
One of these things is not like the other. Real r...
What does the star operator mean, in a function call?
...arguments, so you can do this:
def sum(a, b):
return a + b
values = (1, 2)
s = sum(*values)
This will unpack the tuple so that it actually executes as:
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thus named arguments:
values = { 'a': 1, 'b': 2 }
s = sum(*...