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An async/await example that causes a deadlock
I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
5 A...
How to determine the content size of a UIWebView?
...nt to resize my parent views appropriately. The obvious -sizeThatFits: unfortunately just returns the current frame size of the webView.
...
Performing Inserts and Updates with Dapper
...ore or not. See: https://code.google.com/archive/p/dapper-dot-net/issues/6 for progress.
In the mean time you can do the following
val = "my value";
cnn.Execute("insert into Table(val) values (@val)", new {val});
cnn.Execute("update Table set val = @val where Id = @id", new {val, id = 1});
et...
How to convert .pfx file to keystore with private key?
...found with Mac OS X.
The following two commands convert the pfx file to a format that can be opened as a Java PKCS12 key store:
openssl pkcs12 -in mypfxfile.pfx -out mypemfile.pem
openssl pkcs12 -export -in mypemfile.pem -out mykeystore.p12 -name "MyCert"
NOTE that the name provided in the seco...
Permission denied on accessing host directory in Docker
...
See this Project Atomic blog post about Volumes and SELinux for the full story.
Specifically:
This got easier recently since Docker finally merged a patch which
will be showing up in docker-1.7 (We have been carrying the patch in
docker-1.6 on RHEL, CentOS, and Fedora).
...
ImageUtil 扩展：图像工具扩展，提供图像处理和变换功能 · App Inventor 2 中文网
...
当 保存按钮.被点击
设置 保存路径 = "/sdcard/processed_image.jpg"
调用 ImageUtil1.Save 图片组件 保存路径
显示通知 "图像已保存到: " & 保存路径
高级应用
批量图像处理
当 批量处理按钮.被...
Extracting substrings in Go
...looks like you're confused by the working of slices and the string storage format, which is different from what you have in C.
any slice in Go stores the length (in bytes), so you don't have to care about the cost of the len operation : there is no need to count
Go strings aren't null terminated, ...
Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
... DWORD dwReadSize;
hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
... ...
}
CreateFile() 的参数有 7 个，那么看看 VC 是怎样安排参数传递：
void EditTextFile(HWND hEdit, LPCTSTR szF...
How to fix HTTP 404 on Github Pages?
... my index.html file, reran the command "npx ngh" which pushed a new commit for me acheiving the same glorious results. Thanks, this had me stumped and your answer inspired me to do this.
– Patrick Graham
Aug 15 '18 at 19:41
...
Adding 'serial' to existing column in Postgres
... answer.
A non-interactive solution
Just adding to the other two answers, for those of us who need to have these Sequences created by a non-interactive script, while patching a live-ish DB for instance.
That is, when you don't wanna SELECT the value manually and type it yourself into a subsequent C...