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Why is it bad style to `rescue Exception => e` in Ruby?
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TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay.
Exception is the root of Ruby's exception hierarch...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
...getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT), and the error will not show.
Add the following permission to your manifest:
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
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How do I parse a URL into hostname and path in javascript?
I would like to take a string
21 Answers
21
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C++ Convert string (or char*) to wstring (or wchar_t*)
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Your question is underspecified. Strictly, that example is a syntax error. However, std::mbstowcs is probably what you're looking for.
It is a C-library function and operates on buffers, but here's an easy-to-use idiom, courtesy of TBohne (formerly Mooing Duck):
std::wstring ws(s.size(), L'...
How can I quickly sum all numbers in a file?
I have a file which contains several thousand numbers, each on it's own line:
33 Answers
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Read a file one line at a time in node.js?
... first.
– crowjonah
Sep 6 '13 at 19:05
53
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How do I use extern to share variables between source files?
...ize of any common blocks.
Note that GCC 10.1.0, which was released on 2020-05-07, changes the
default compilation options to use
-fno-common, which means
that by default, the code above no longer links unless you override the
default with -fcommon (or use attributes, etc — see the link).
The next...
Is HTML considered a programming language? [closed]
...t HR though.
– Ed S.
Oct 1 '08 at 4:05
41
@freespace - by that definition, nearly everything is a...
Building and running app via Gradle and Android Studio is slower than via Eclipse
...derstand
– younes0
Dec 11 '14 at 12:05
1
Imaging, you have added library like this one: github.co...
Unix shell script find out which directory the script file resides?
...ng different on OS X (Lion) and possibly BSD. stackoverflow.com/questions/1055671/…
– Ergwun
Jun 29 '12 at 1:33
9
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