
How do I check whether a file exists without exceptions?
145 How do I check whether a file exists, using Python, without using a try statement? Now available since Python 3.4, import and instantiate a Path object with the file name, and check …
Using a comma before "but" - English Language & Usage Stack …
I was once told by an English professor that a comma should never be used before but in a sentence. For years, I have followed her advice but sometimes I just feel like it just needs to …
What is the difference between 'typedef' and 'using'?
Updating the using keyword was specifically for templates, and (as was pointed out in the accepted answer) when you are working with non-templates using and typedef are …
Is using "he" for a gender-neutral third-person correct?
Jun 19, 2011 · I know there are different opinions on this issue. My question: Is using "he" for a general, gender-neutral third person still in common use for formal writing? By common use I …
How can I uninstall an application using PowerShell?
Is there a simple way to hook into the standard 'Add or Remove Programs' functionality using PowerShell to uninstall an existing application? Or to check if the application is installed?
Using "logging in" correctly - English Language & Usage Stack …
Jan 31, 2017 · There are a lot of questions concerning the correct use if login, log in, etc. When speaking directly to an use I would say You can always change this permission by logging in in …
c# - try/catch + using, right syntax - Stack Overflow
In other word, if you know that the initialization of a variable in using may throw a particular exception, I wrap it with try-catch. Similarly, if within using body something may happen, which …
tenses - Using "have ran" or "have run" - English Language
May 22, 2017 · I was editing a piece recently and saw this structure "Once you have ran the process, you ..." I have always used "have run", but wasn't sure if "have ran" is acceptable in …
What's the problem with "using namespace std;"?
The problem with putting using namespace in the header files of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i.e. …
c# - in a "using" block is a SqlConnection closed on return or ...
A using statement can be exited either when the end of the using statement is reached or if an exception is thrown and control leaves the statement block before the end of the statement.