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How do I find the most recent git commit that modified a file?
...For git-rev-list in your case, you just supply:
The number of commits to include, or -1 for only the most recent,
The branch (or commit id) to start looking back from, HEAD if you are already on it, or --all if you want all known commits, and
The relative path to your file.
This just returns the...
Convert array to JSON
...till reading this answer, it's worth pointing out that all modern browsers include the JSON object as standard, which means that you don't need this script unless you're planning to support older browsers like IE7 or Firefox 3.0. See CanIUse for the support chart.
– Spudley
...
How important is the order of columns in indexes?
... degrade. Very often you'll find that a better index is on (MostSelective) include (SecondMost, Least) or on (MostSelective, SecondMost) include (Least). Because the inner columns are less relevant, placing low selectivity columns in such right positions in the index makes them nothing but noise for...
How to echo or print an array in PHP?
...c
)
var_dump()
Displays structured information about expressions that includes its type and value.
echo "<pre>";
var_dump($arr);
echo "</pre>";
array(3) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
}
var_export()
Displays structured info...
Check if a Class Object is subclass of another Class Object in Java
...
Related:
a) Check if an Object is an instance of a Class or Interface (including subclasses) you know at compile time:
boolean isInstance = someObject instanceof SomeTypeOrInterface;
Example:
assertTrue(Arrays.asList("a", "b", "c") instanceof List<?>);
b) Check if an Object is an ins...
Can I use mstest.exe without installing Visual Studio?
...ier:
The simplest solution is to install VS2017 Community Edition (which includes both msbuild and mstest) - but I am unsure of the legality of this, and am not a lawyer, so be careful!
A legally safer solution (and far lighter, in terms of disk space) is to install the Visual Studio 2017 Test Age...
Do rails rake tasks provide access to ActiveRecord models?
...s I dont have access to my models. I thought this was something implicitly included with rails task.
6 Answers
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Can we call the function written in one JavaScript in another JS file?
...
What is the different between your example by including JS file in Index.html file to the other approach where we use JS import method to import method from another JS file that has JS script method export to export method.
– Phil
S...
How to determine whether code is running in DEBUG / RELEASE build?
...
Apple already includes a DEBUG flag in debug builds, so you don't need to define your own.
You might also want to consider just redefining NSLog to a null operation when not in DEBUG mode, that way your code will be more portable and you ...
Why can't Python find shared objects that are in directories in sys.path?
...e paths searched must be in LD_LIBRARY_PATH. Check if your LD_LIBRARY_PATH includes /usr/local/lib, and if it doesn't, add it and try again.
Some more information (source):
In Linux, the environment variable
LD_LIBRARY_PATH is a colon-separated
set of directories where libraries
should be...