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When does invoking a member function on a null instance result in undefined behavior?
...efined behavior.
Here it's definitely undefined behavior.
The ambiguity comes from whether or not it's undefined behavior to deference but not use the value from an invalid pointer (that is, get an lvalue but not convert it to an rvalue). If not, then int *i = 0; *i; &(*i); is well-defined. T...
How to count objects in PowerShell?
... in the PowerShell user guide, one of the core PowerShell concepts is that commands accept and return objects instead of text. So for example, running get-alias returns me a number of System.Management.Automation.AliasInfo objects:
...
How to delete all records from table in sqlite with Android?
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Use Vacuum after delete command.. db.execSQL("vacuum"); this will clear all allocated spaces..
– Ramesh_D
May 29 '14 at 9:43
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Python Requests and persistent sessions
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@SergeyNudnov Many thanks for your comment I wasted a lot of time trying to figure out why session does not handle cookies correctly. Changing domain from localhost to localhost.local solved the problem. Thanks again.
– Pulkownik
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What is makeinfo, and how do I get it?
...using bash, it tells you what package you need to install if you type in a command and its not found in your path. My terminal says you need to install 'texinfo' package.
sudo apt-get install texinfo
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How do I update a formula with Homebrew?
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PDO's query vs execute
... edited May 23 '17 at 12:02
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111 silver badge
answered Jan 15 '11 at 16:38
GileanGilean
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ITunes review URL and iOS 7 (ask user to rate our app) AppStore show a blank page
...t direct for the review page but only to the app
itms-apps://itunes.apple.com/app/idAPP_ID
Where APP_ID need to be replaced with your Application ID. Based on the App ID from the question it would be the following
itms-apps://itunes.apple.com/app/id353372460
Notice the id in front of the numbe...
Log4Net, how to add a custom field to my logging
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1) Modify the command text: INSERT INTO Log4Net ([Date],[Thread],[Level],[Logger],[Message],[Exception],[MyColumn]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception, @CustomColumn)
2) Add the parameter definition for ...