大约有 35,590 项符合查询结果（耗时：0.0416秒） [XML]
How do I find which rpm package supplies a file I'm looking for?
...age.
sudo yum install yum-utils
repoquery --whatprovides '*bin/grep'
grep-0:2.5.1-55.el5.x86_64
grep-0:2.5.1-55.el5.x86_64
repoquery can do other queries such as listing package contents, dependencies, reverse-dependencies, etc.
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Are getters and setters poor design? Contradictory advice seen [duplicate]
...e int hp; // Set in constructor.
public boolean isAlive() { return hp > 0; } // Same method signature.
public void kill() { hp = 0; } // Same method signature.
public void damage(int damage) { hp -= damage; }
share
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NULL values inside NOT IN clause
...had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the concept.
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How do I specify local .gem files in my Gemfile?
...-1 ref
gem "foreman", git: "git://github.com/pje/foreman.git", ref: "bf648a070c"
# ...or branch
gem "foreman", git: "git://github.com/pje/foreman.git", branch: "jruby"
# ...or tag
gem "foreman", git: "git://github.com/pje/foreman.git", tag: "v0.45.0"
(As @JHurrah mentioned in his comment.)
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How to 'grep' a continuous stream?
...em with tail -f | grep, and --line-buffered solves it for me (on Ubuntu 14.04, GNU grep version 2.16). Where is the "use line buffering if stdout is a tty" logic implemented? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser.
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How do I use floating-point division in bash?
... am trying to divide two image widths in a Bash script, but bash gives me 0 as the result:
18 Answers
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Reasons for using the set.seed function
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270
The need is the possible desire for reproducible results, which may for example come from trying...
Android 4.3 Bluetooth Low Energy unstable
...hread on Samsung Galaxy S3 with Android 4.3 (at least for build JSS15J.I9300XXUGMK6)
Most devices filter advertising
Better not use android.bluetooth.BluetoothAdapter#startLeScan(UUID[] serviceUuids, LeScanCallback callback) with the parameter to filter for certain service UUIDs because this is bro...
Convert integer into byte array (Java)
...ptional, the initial order of a byte buffer is always BIG_ENDIAN.
b.putInt(0xAABBCCDD);
byte[] result = b.array();
Setting the byte order ensures that result[0] == 0xAA, result[1] == 0xBB, result[2] == 0xCC and result[3] == 0xDD.
Or alternatively, you could do it manually:
byte[] toBytes(int i)...
Getting the index of the returned max or min item using max()/min() on a list
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edited Oct 27 '13 at 20:10
Gaurav Agarwal
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