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Which characters are valid/invalid in a JSON key name?
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168
No. Any valid string is a valid key. It can even have " as long as you escape it:
{"The \"meani...
Python Write bytes to file
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268
If you want to write bytes then you should open the file in binary mode.
f = open('/tmp/output'...
What does __FILE__ mean in Ruby?
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edited May 23 '17 at 12:18
Community♦
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answered Oct 22 '08 at 3:30
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Does a `+` in a URL scheme/host/path represent a space?
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edited Dec 19 '16 at 16:08
Andrew Tobilko
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PHP function to build query string from array
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answered Dec 30 '08 at 16:52
TJ LTJ L
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powershell 2.0 try catch how to access the exception
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184
Try something like this:
try {
$w = New-Object net.WebClient
$d = $w.downloadString('h...
MSysGit vs. Git for Windows
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edited Feb 22 '15 at 15:48
Mark Amery
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ans...
Django admin: how to sort by one of the custom list_display fields that has no database field
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charleschenster
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answered Sep 16 '11 at 18:00
bbrikbbrik
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How to get the path of current worksheet in VBA?
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psubsee2003
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answered Mar 25 '14 at 8:19
Alex22Alex22
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When does invoking a member function on a null instance result in undefined behavior?
...results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)
However, one can try to deduced it from §3.10/2:
An lvalue refers to an object or function.
When dereferencing, the result is an lvalue. A null pointe...