大约有 5,400 项符合查询结果（耗时：0.0300秒） [XML]
Remove the last line from a file in Bash
...
64
To remove the last line from a file without reading the whole file or rewriting anything, you c...
Python: List vs Dict for look up table
...
python -mtimeit -s 'd=range(10**7)' '5*10**6 in d'
10 loops, best of 3: 64.2 msec per loop
python -mtimeit -s 'd=dict.fromkeys(range(10**7))' '5*10**6 in d'
10000000 loops, best of 3: 0.0759 usec per loop
python -mtimeit -s 'from sets import Set; d=Set(range(10**7))' '5*10**6 in d'
1000000 loop...
How to stop EditText from gaining focus at Activity startup in Android
...
2649
Excellent answers from Luc and Mark however a good code sample is missing. Adding the tag andr...
Standard Android Button with a different color
... Deepak Swami
3,63011 gold badge2626 silver badges4646 bronze badges
answered Aug 9 '10 at 23:28
TomaszTomasz
3,39611 gold badge1...
Test if a variable is set in bash when using “set -o nounset”
...sh
$ /bin/bash --version | head -1
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not...
Using GZIP compression with Spring Boot/MVC/JavaConfig with RESTful
...tCompression("on");
httpProtocol.setCompressionMinSize(64);
}
});
}
};
}
See the Tomcat documentation for more details on the various compression configuration options that are available.
You say that you want to selectively enable compr...
How to create multidimensional array
...uctures and Algorithms with JavaScript
The Good Parts (O’Reilly, p. 64). Crockford extends the JavaScript
array object with a function that sets the number of rows and columns
and sets each value to a value passed to the function. Here is his
definition:
Array.matrix = function(numrow...
How to convert Milliseconds to “X mins, x seconds” in Java?
...LISECONDS.toSeconds(millis);
StringBuilder sb = new StringBuilder(64);
sb.append(days);
sb.append(" Days ");
sb.append(hours);
sb.append(" Hours ");
sb.append(minutes);
sb.append(" Minutes ");
sb.append(seconds);
sb.append(" Se...
AutoMapper: “Ignore the rest”?
...
64
To anyone that comes later, THIS IS THE CORRECT ANSWER FOR 5.0
– Jimmy Bogard
Dec 5 '16 at 20:16
...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...
64
That's what happens when you use this from inside of an inner class. If you want to reference the instance of an outer class, you must spec...