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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...sing XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3.
12 Answers
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How do I explicitly instantiate a template function?
...t is always the compiler the one that instantiates, that line is a request from the programmer to the compiler to instantiate the template. If you have a copy of the C++ standard, read 14.7.2 Explicit instantiation
– David Rodríguez - dribeas
Feb 8 '11 at 12:5...
How to organize large R programs?
...bare bones first package: hilaryparker.com/2014/04/29/writing-an-r-package-from-scratch
– panterasBox
Sep 3 '15 at 14:32
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How to update a single library with Composer?
...e:
php composer.phar update vendor/*
--prefer-source: Install packages from source when available.
--prefer-dist: Install packages from dist when available.
--ignore-platform-reqs: ignore php, hhvm, lib-* and ext-* requirements and force the installation even if the local machine does not fulfil...
How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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jQuery .hasClass() vs .is()
... a preferred method of determining whether an element is assigned a class, from a performance standpoint?
4 Answers
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Nullable type as a generic parameter possible?
... original code – remove the where constraint, and change the last return from return null to return default(T). This way you can return whatever type you want.
By the way, you can avoid the use of is by changing your if statement to if (columnValue != DBNull.Value).
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Sleeping in a batch file
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UPDATE
The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer.
Old answer
If you have Python installed, or don't mind installing it (it has oth...
Can I make 'git diff' only the line numbers AND changed file names?
...hat you need. Same format as when you making commit or pulling new commits from remote.
PS: That's wired that nobody answered this way.
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The cause of “bad magic number” error when loading a workspace and how to avoid it?
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Also worth noting the following from a document by the R Core Team summarizing changes in versions of R after v3.5.0 (here):
R has new serialization format (version 3) which supports custom serialization of
ALTREP framework objects... Serialized data in fo...