大约有 48,000 项符合查询结果(耗时:0.0537秒) [XML]
Learning assembly [closed]
...y contents (in assembly language, hexadecimal or ASCII), make changes, and selectively execute COM, EXE and other file types.
It also has several subcommands which are used to access specific disk
sectors, I/O ports and memory addresses. MS-DOS Debug runs at a
16-bit process level and therefor...
What does “use strict” do in JavaScript, and what is the reasoning behind it?
...ges.
In C, an extremely unfortunate representation of octalness was
selected: Leading zero. So in C, 0100 means 64, not 100, and 08 is an
error, not 8. Even more unfortunately, this anachronism has been
copied into nearly all modern languages, including JavaScript, where
it is only used...
Update relationships when saving changes of EF4 POCO objects
...ategories" is an IEnumerable containing the IDs of the categories the user selected in the view.
db.Entry(dataobj).State = EntityState.Modified;
db.SaveChanges();
dataobj = db.ServiceTypes.Include(x => x.Categories).Single(x => x.Id == dataobj.Id);
var it = _categories != null...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...h
. $real_path
用户输入
执行脚本时传入脚本运行中输入select菜单stdin和stdout
常用的命令
sh脚本结合系统命令便有了强大的威力,在字符处理领域,有grep、awk、sed三剑客,grep负责找出特定的行,awk能将行拆分成多个字段,s...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...t
One place where this information is leveraged is shown by @Lieven here
SELECT *
FROM (VALUES ('Lieven1', 1),
('Lieven2', 2),
('Lieven3', 3))Test (name, ID)
ORDER BY name, 1/ (ID - ID)
Because at compile time it can determine that the Name column has no duplicates it...
Is cout synchronized/thread-safe?
...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions).
share
...
Break a previous commit into multiple commits
...g git reset HEAD~, go through the patches individually using git add -p to select the ones you want in each commit
Edit the working copy to remove the changes you do not want; commit that interim state; and then pull back the full commit for the next round.
Option 2 is useful if you're splitting a...
How to handle dependency injection in a WPF/MVVM application
...would switch from one view to another within this region, e.g. as the user selects menu items or whatever.
Alternatively take a look at one of the MVVM frameworks such as MVVM Light. I've got no experience of these so can't comment on what they're like to use.
...
Perl build, unit testing, code coverage: A complete working example
...ESS_PERL_SWITCHES}. For example: -MDevel::Cover=+ignore,.t$,+inc,/app/lib,-select,MyModule.pm where /app/lib is the application-private library and MyModule.pm is the module under test.
– Michael Carman
Apr 27 '10 at 16:33
...
Filter rows which contain a certain string
... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`))
– alex23lemm
Ju...
