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Linux/Unix command to determine if process is running?
...nd non-zero if it isn't. The POSIX spec says that ps must exit >0 if an error has occurred but it is unclear to me what constitutes 'an error'. Therefore I'm not personally using that strategy although I'm pretty sure it will work as well on all Unix/Linux platforms.
...
How to limit the maximum value of a numeric field in a Django model?
...he number entered is outside a given range, the user receives a validation error much as if she had entered character data into a numeric field? I.e. is there some way I can do this that will work regardless of whether the user is editing via the admin or via some other form? I don't want to just li...
WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
...or Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\LocalDumps]
"DumpCount"=dword:0000000a
"DumpType"=dword:00000002
"CustomDumpFlags"=dword:00000000
"DumpFolder"=hex(2):25,00,55,00,53,00,45,00,52,00,50,00,52,00,4f,00,46,00,49,\
00,4c,00,45,00,25,00,5c,0...
Sequence contains more than one element
...
FYI you can also get this error if EF Migrations tries to run with no Db configured, for example in a Test Project.
Chased this for hours before I figured out that it was erroring on a query, but, not because of the query but because it was when Migr...
What does 'useLegacyV2RuntimeActivationPolicy' do in the .NET 4 config?
...DX, and therefore has unmanaged code, to .NET 4.0 I ran into the following error:
2 Answers
...
Why does Python use 'magic methods'?
...ck (most recent call last):
File "python", line 1, in <module>
TypeError: unsupported operand type(s) for +: 'dict' and 'dict'
This gives an error, because the dictionary type doesn't support addition. Now, let's extend dictionary class and add "__add__" magic method:
class AddableDict(di...
Is delete this allowed?
...ject remains valid until after the throw takes place.
void myclass::throw_error()
{
std::unique_ptr<myclass> bye_bye(this);
throw std::runtime_exception(this->error_msg);
}
Note: if you're using a compiler older than C++11 you can use std::auto_ptr instead of std::unique_ptr, it ...
“new” keyword in Scala
...d class Foo
scala> new Foo("baz")
res0: Foo = Foo@2ad6a0
// will be a error
scala> Foo("baz")
<console>:8: error: not found: value Foo
Foo("baz")
Bonus, there is a anonymous classes in scala, which can be constructed like this:
scala> new { val bar = "baz" }
res2: java.l...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
...n you will not get an exception. It really wouldn't make sense to throw an error just because a value doesn't exist in a dictionary. But if the dictionary didn't exist then that would be a reason to throw an error. (The term dictionary was just used to refer to an arbitrary collection.)
...
Browse orphaned commits in Git
...orrupted so this didn't help; git fsck can help you find and sometimes fix errors in the repository itself.
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