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SQLite add Primary Key
... pkName ON tableName(columnName)) when DB frameworks like MS SQL's SMO actually make you add a PK after the table has been created!
– SteveCinq
Aug 31 '17 at 18:06
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Proper way to renew distribution certificate for iOS
My distribution certificate is expiring on June 7th, along with all of my provisioning files. How do I properly renew it? Should I revoke it now and request a new one? If I do that than will all my live apps be taken down?
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Check whether a string contains a substring
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This way is especially preferrable, when you are searching using a variable - this way you won't have to double-escape characters (in this variable string), that are special for regular expressions (like :).
– evgeny9
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How to hide command output in Bash
...hat looks like this:
your_command "Is anybody listening?" >&-
Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&am...
windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...令
5. .cls 清除命令行的显示结果。
6. WinDbg启动时增加-Q参数，在WinDbg退出后将不提示保存当前的工作环境的对话框。如果使用-QY将在退出WinDbg后，自动保存当前的配置环境。
7. 调试命令之执行命令
Ctrl+C 停止
.restart 重新启动...
Zip lists in Python
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The question tag states Python 2.7; this is for Python 3. Besides, this answer already mentions this.
– 0 0
May 27 '18 at 14:22
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How to check if smtp is working from commandline (Linux) [closed]
I have a SMTP-server, for the purpose of this question lets call it: smtp.mydomain.com.
4 Answers
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node and Error: EMFILE, too many open files
...t indicates which resource is open. You'll probably see a number of lines all with the same resource name. Hopefully, that now tells you where to look in your code for the leak.
If you don't know multiple node processes, first lookup which process has pid 12211. That'll tell you the process.
In ...
clang: how to list supported target architectures?
Currently I am interested in ARM in general and specifically iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come.
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What are the use(s) for tags in Go?
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A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or stored/retrie...