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How to determine SSL cert expiration date from a PEM encoded certificate?
... the -noout option to see a helpful message using a single command without extra logic. E.g., openssl x509 -checkend 0 -in file.pem will give the output "Certificate will expire" or "Certificate will not expire" indicating whether the certificate will expire in zero seconds.
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null
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-- replace NVARCHAR(42) with the actual type of your column
ALTER TABLE your_table
ALTER COLUMN your_column NVARCHAR(42) NULL
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How to get object size in memory? [duplicate]
...(in C#). for example how much my Hashtable , or SortedList , or List<String> .
6 Answers
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Re-raise exception with a different type and message, preserving existing information
...ng the exception; it's specifically about not handling it, but adding some extra information (an additional class and a new message) so that it can be handled further up the call stack.
– bignose
Apr 27 '09 at 3:24
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How do I do an OR filter in a Django query?
...item.moderated = False)
(edit - I was initially unsure if this caused an extra query but @spookylukey pointed out that lazy queryset evaluation takes care of that)
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Best way to create enum of strings?
What is the best way to have a enum type represent a set of strings?
8 Answers
8
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Add line break to ::after or ::before pseudo-element content
...in the generated content by writing the "\A" escape sequence in one of the strings after the 'content' property. This inserted line break is still subject to the 'white-space' property. See "Strings" and "Characters and case" for more information on the "\A" escape sequence.
So you can use:
#head...
Breakpoint on property change
... Best solution for anyone trying to debug from dev console. No extra effort to reuse on any website, awesome!
– Chris Hayes
Jul 29 at 21:16
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Should a return statement be inside or outside a lock?
...e of the try/finally - however, the return outside the lock still requires extra locals which can't be optimised away - and takes more code...
– Marc Gravell♦
Nov 5 '08 at 21:18
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Is there a way to change the environment variables of another process in Unix?
...ocesses.
Suppose that you write your own shared library which implements 'char *getenv'. Then, you set up 'LD_PRELOAD' or 'LD_LIBRARY_PATH' env. vars so that both your processes are run with your shared library preloaded.
This way, you will essentially have a control over the code of the 'getenv' ...