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Find which commit is currently checked out in Git
...er ~ (c1abcde...) $
Option 4: git status
Also as of Git version 1.8.3+ (and possibly earlier, again not sure), running git status will also show you what commit you have checked out during a bisect and when you're in detached HEAD state:
$ git status
# HEAD detached at c1abcde <== RIGHT HERE
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Alter Table Add Column Syntax
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@ethanbustad It is also valid for DB2 and Postgres.
– ᴠɪɴᴄᴇɴᴛ
Sep 2 '16 at 14:39
3
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Why is LINQ JOIN so much faster than linking with WHERE?
I've recently upgraded to VS 2010 and am playing around with LINQ to Dataset. I have a strong typed dataset for Authorization that is in HttpCache of an ASP.NET WebApplication.
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jquery find closest previous sibling with class
...at less resources, as .prevAll would get ALL the previous matched elements and then would filter the one I need. Accepting Ed's answer.
– daulex
Feb 22 '10 at 10:54
3
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Iterating over a numpy array
...implementation of ndenumerate, which does 2 things, converting to an array and looping. If you know you have an array, you can call the .coords attribute of the flat iterator.
a = X.flat
%timeit list([(a.coords, x) for x in a.flat])
1 loop, best of 3: 305 ms per loop
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How do I use WebRequest to access an SSL encrypted site using https?
...t.com/en-us/library/ds8bxk2a.aspx
For http connections, the WebRequest and WebResponse classes use SSL to communicate with web hosts that support SSL. The decision to use SSL is made by the WebRequest class, based on the URI it is given. If the URI begins with "https:", SSL is used; if the URI b...
What is a good pattern for using a Global Mutex in C#?
The Mutex class is very misunderstood, and Global mutexes even more so.
8 Answers
8
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Cannot pass null argument when using type hinting
...on Type $t = null whereas if you need to make an argument accept both null and its type, you can follow above example.
You can read more here.
PHP 7.0 or older
You have to add a default value like
function foo(Type $t = null) {
}
That way, you can pass it a null value.
This is documented i...
A simple command line to download a remote maven2 artifact to the local repository?
...en to build their applications, but is likely somewhat familiar with maven and probably has it installed.
3 Answers
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...nstallation.
Possibility 1
NOTE: This scenario only applies to Java 8 and prior. Beginning with Java 9, the JRE is structured differently. rt.jar and friends no longer exist, and Pack200 is no longer used.
The Java standard library is contained in various JARs, such as rt.jar, deploy.jar, jss...