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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
... 的字符串的副本，其格式符合 path 语法规则。
std::string root_directory( )：在提供了路径的情况下，此 API 将返回根目录，否则将返回空字符串。例如，如果路径包含/tmp/var1，则此例程将返回 /，即 UNIX 文件系统的根。不过，如果路...
Create SQL script that create database and tables
...
Anyway to do this is standard SQL for mysql for example?
– Benjamin Goodacre
Oct 21 '19 at 11:56
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...ink I'm quite convinced that the given beforefieldinit optimization is the root cause. It might be that some of the actual explanation is different from what I mentioned, but the root cause is likely the same thing.
– user541686
Aug 11 '12 at 1:39
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How to provide different Android app icons for different gradle buildTypes?
...is as follows, and your launcher icon is called ic_launcher.png:
[Project Root]
-[Module]
-src
-main
-res
-drawable-*
-ic_launcher.png
Then to add a separate icon for the debug build type, you add:
[Project Root]
-[Module]
-src
-main
...
How to import a Python class that is in a directory above?
...lar system
This is why we write import foo to load a module "foo" from the root namespace, instead of writing:
foo = dict(); # please avoid doing this
with open(os.path.join(os.path.dirname(__file__), '../foo.py') as foo_fh: # please avoid doing this
exec(compile(foo_fh.read(), 'foo.py', 'exec...
git --git-dir not working as expected
...your comment above, it sounds like you are still running into a problem:
root@erx [/]# git --git-dir=/home/domain/.git --work-tree=/home/domain/ pull origin master
fatal: /usr/local/libexec/git-core/git-pull cannot be used without a working tree
It sounds like you might be intending to run this ...
Float vs Decimal in ActiveRecord
...In Rails 4.1.0, I have faced problem with saving latitude and longitude to MySql database. It can't save large fraction number with float data type. And I change the data type to decimal and working for me.
def change
change_column :cities, :latitude, :decimal, :precision => 15, :scale =...
iOS app error - Can't add self as subview
...Has no effect if navigationLock is not the current lock.
- (NSArray *)popToRootViewControllerAnimated:(BOOL)animated navigationLock:(id)navigationLock; ///< Pops until there's only a single view controller left on the stack. Returns the popped controllers. Has no effect if navigationLock is not t...
通信连接组件 · App Inventor 2 中文网
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更多有关Activity启动器使用技巧请查看《Activity启动器如何查看并启动其他App》。
属性
Action
指定将用于启动Activity活动的操作。
Activity类名
指定将启动的特定组件的Class类部分。
Activity包名
指定将启动的特定组件...
What's the difference between HEAD, working tree and index, in Git?
... in a single file called "index"--and that index file happens to be in the root of the .git directory. So if you define the repo as the .git directory, the staging area is technically inside the repo. The third column would be better labeled "HEAD's Root tree object" to indicate that the checked-out...