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In Python, if I return inside a “with” block, will the file still close?

...o that doesn't guarantee the call of a finally statement: "Note that exit handlers and finally clauses, etc., will not be executed." – Rik Poggi Mar 27 '12 at 7:55 ...
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Entity Framework: There is already an open DataReader associated with this Command

...al commands executed on single connection (or single command with multiple selects) while next DataReader is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this...
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What specific productivity gains do Vim/Emacs provide over GUI text editors?

... Yeah, the mouse can be a timesaver for selecting areas of text, or moving the cursor to a specific spot in a large amount of text. Otherwise, it's a waste. – T.E.D. Jul 7 '09 at 14:27 ...
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iOS 7 TableView like in Settings App on iPad

...)cell forRowAtIndexPath:(NSIndexPath *)indexPath { if ([cell respondsToSelector:@selector(tintColor)]) { if (tableView == self.tableView) { CGFloat cornerRadius = 5.f; cell.backgroundColor = UIColor.clearColor; CAShapeLayer *layer = [[CAShapeLayer allo...
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How can I create directory tree in C++/Linux?

... With C++17 or later, there's the standard header <filesystem> with function std::filesystem::create_directories which should be used in modern C++ programs. The C++ standard functions do not have the POSIX-specific explicit permissions (mode) argument, t...
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Get Folder Size from Windows Command Line

...mmand "$fso = new-object -com Scripting.FileSystemObject; gci -Directory | select @{l='Size'; e={$fso.GetFolder($_.FullName).Size}},FullName | sort Size -Descending | ft @{l='Size [MB]'; e={'{0:N2} ' -f ($_.Size / 1MB)}},FullName" Same but Powershell only: $fso = new-object -com Scripting.File...
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VS Addin插件基本开发入门 - C/C++ - 清泛网 - 专注C/C++及内核技术

... TextDocument; if (textDocument == null || textDocument.Selection == null) { MessageBox.Show("不能插入代码,当前没有活动的文档!", "AddinDemo", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } ...
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Why is volatile needed in C?

...ther thread running that also uses the variable; or when there's a signal handler that might change the value of the variable. Let's say you have a little piece of hardware that is mapped into RAM somewhere and that has two addresses: a command port and a data port: typedef struct { int command;...
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Import Maven dependencies in IntelliJ IDEA

... When importing the project, select pom.xml instead of the project directory. It should work. share | improve this answer | foll...
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Copy to Output Directory copies folder structure but only want to copy files

...UnchangedFiles="true" /> </Target> This allows you to select "RootContent" as the Build Action in the Properties window, and all can be accessed via the GUI. A more complete explanation: the "AvailableItemName" option basically creates a new named-list that you can assign items ...