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How do I write the 'cd' command in a makefile?
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It is actually executing the command, changing the directory to some_directory, however, this is performed in a sub-process shell, and affects neither make nor the shell you're working from.
If you're looking to perform more tasks wit...
Finding current executable's path without /proc/self/exe
...e) method is to use argv[0]. Although it could be set to anything by the calling program, by convention it is set to either a path name of the executable or a name that was found using $PATH.
Some shells, including bash and ksh, set the environment variable "_" to the full path of the executable be...
What is the usefulness of PUT and DELETE HTTP request methods?
I have read a lot stuff about this but not able to get the conclusion on this topic.
4 Answers
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How do I change tab size in Vim?
...at tabs are displayed as 4 spaces. Setting expandtab will cause Vim to actually insert spaces (the number of them being controlled by tabstop) when you press tab; you might want to use softtabstop to make backspace work properly (that is, reduce indentation when that's what would happen should tabs ...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...for compatibility with legacy content. [RFC3986]
This definitely works in all current browsers, but may not work as expected in some older browsers ("browsers do weird things with an empty action="" attribute"), which is why the spec strongly discourages authors from leaving it empty:
The action a...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...ing the Java Build Path and seeing this new item, and unchecking the originally-included support library solved the problem for me.
– Tom Pace
Sep 26 '13 at 17:20
9
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Add new item count to icon on button - Android
I'm developer. I need to implement design shown below. I already have functional app but wonder how to even approach this? Particulary, I'm interested in how to show Number of "New" items under tabs. What I KNOW how to do - is create new icons with red dots and just display them when new stuff avail...
What does character set and collation mean exactly?
...a symbol, the number 0 is the
encoding for 'A', and the combination
of all four letters and their
encodings is a character set.
Now, suppose that we want to compare
two string values, 'A' and 'B'. The
simplest way to do this is to look at
the encodings: 0 for 'A' and 1 for
'B'. Be...
Converting Symbols, Accent Letters to English Alphabet
...e are thousands of characters in the Unicode chart and I want to convert all the similar characters to the letters which are in English alphabet.
...
How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?
...hese instances are objects, you can pass them around, store them, and generally call methods on them. With the support of implicit parameters, it becomes a very powerful tool. Take the following example, for instance:
object Registry {
import scala.reflect.Manifest
private var map= Map.empty[...