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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...存的最大值。单位：KB。
通过上面的 ulimit 设置我们已经把当前 shell 所能使用的最大内存限制在 1000KB 以下。接下来我们看看这时运行 ls 命令会得到什么样的结果：
haohe@sles10-hehao:~/code/ulimit> ls test -l
/bin/ls: error while loading...
How to install a private NPM module without my own registry?
...a) a folder containing a program described by a package.json file
b) a gzipped tarball containing (a)
c) a url that resolves to (b)
d) a <name>@<version> that is published on the registry with (c)
e) a <name>@<tag> that points to (d)
f) a <name> that has ...
Ship an application with a database
.../databases/my_database.db
(Optionally, you may compress the database in a zip file such as assets/databases/my_database.zip. This isn't needed, since the APK is compressed as a whole already.)
Create a class, for example:
public class MyDatabase extends SQLiteAssetHelper {
private static fina...
List of tuples to dictionary
..."one": 1, "two":
2}:
dict(one=1, two=2)
dict({'one': 1, 'two': 2})
dict(zip(('one', 'two'), (1, 2)))
dict([['two', 2], ['one', 1]])
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Why there is no ForEach extension method on IEnumerable?
Inspired by another question asking about the missing Zip function:
20 Answers
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How to copy Java Collections list
...tp://www.java2s.com/Open-Source/Java-Document/6.0-JDK-Core/Collections-Jar-Zip-Logging-regex/java/util/Collections.java.htm
If you need a deep copy, you have to iterate over the items manually, using a for loop and clone() on each object.
...
What's the best way to distribute Java applications? [closed]
...nload it if it's not already installed. You can send the exe file as is or zip it with possible dependencies (or let the program download the extra dependencies from the net on startup). It's also free, as in beer and speech, which may (or may not) be a good thing.
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How can I download a specific Maven artifact in one command line?
...ow to use the [:classifier] correctly, if I have a assemlby plugin created zip file that I want to download.
– jonashackt
Apr 3 at 12:35
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What are .NET Assemblies?
...
@KimJongWoo - No, a Jar file is just a zip file that contains compiled bytecode files. An assembly is a PE (Portable Executable format) File (ie a DLL or EXE), but conceptually they serve similar purposes.
– Erik Funkenbusch
...
What are the most common SQL anti-patterns? [closed]
... + AddrLine2 + ' ' + AddrLine3 + ' ' +
City + ', ' + State + ' ' + Zip as "Address",
'XXX-XX-' + Substring(
Convert(varchar(9), SSN), 6, 4) as "Social Security #"
FROM Users
Normally, programmers do this because they intend to bind their dataset directly to a grid, and its just...