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Why check both isset() and !empty()
...a difference between isset and !empty . If I do this double boolean check, is it correct this way or redundant? and is there a shorter way to do the same thing?
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abort, terminate or exit?
... and simply return from there. This means that you are guaranteed that stack unwinding happens correctly and all destructors are called. In other words:
int main() {
try {
// your stuff
}
catch( ... ) {
return 1; // or whatever
}
}
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How to call a shell script from python code?
... import subprocess
>>> subprocess.call(['sh', './test.sh']) # Thanks @Jim Dennis for suggesting the []
0
>>>
Where test.sh is a simple shell script and 0 is its return value for this run.
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Insert into a MySQL table or update if exists
...to add a row to a database table, but if a row exists with the same unique key I want to update the row.
11 Answers
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How do I escape the wildcard/asterisk character in bash?
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Benjamin W.
29.9k1515 gold badges6767 silver badges7373 bronze badges
answered Sep 19 '08 at 14:06
finnwfinnw
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What is the python “with” statement designed for?
... today. I've been using Python lightly for several months and didn't even know of its existence! Given its somewhat obscure status, I thought it would be worth asking:
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Medium-size Clojure sample application?
...ractices" example, and a good way to see what such an application would look like in terms of code and code organization? A web application would be particularly interesting to me, but most important is that the program do something commonly useful (blog, bug-tracking, CMS, for example), and not som...
MVC 5 Access Claims Identity User Data
I am developing an MVC 5 web application using Entity Framework 5 Database First approach. I am using OWIN for the authentication of Users. Below shows my Login method within my Account Controller.
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Load image from url
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Adrian Frühwirth
33k77 gold badges5353 silver badges6767 bronze badges
answered Apr 25 '11 at 9:11
rajathrajath
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Unable to resolve host “” No address associated with hostname
...T" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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