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Is there any sed like utility for cmd.exe? [closed]
I want to programmatically edit file content using windows command line ( cmd.exe ). In *nix there is sed for this tasks. Is there any useful native equivalent in windows?
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How do I save a String to a text file using Java?
...es.write( Paths.get(path), content.getBytes());
There is more info here:
http://www.drdobbs.com/jvm/java-se-7-new-file-io/231600403
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How to access the ith column of a NumPy multidimensional array?
...0,2]] = something would modify test, and not create another array. But copy_test = test[:, [0,2]] does in fact create a copy as you say.
– Akavall
Apr 11 '14 at 16:19
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How can I remove all objects but one from the workspace in R?
...ame of the object you want to keep
rm(list=(ls()[ls()!="v"]))
hat-tip: http://r.789695.n4.nabble.com/Removing-objects-and-clearing-memory-tp3445763p3445865.html
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SQlite Getting nearest locations (with latitude and longitude)
...dPosition(center, mult * radius, 270);
strWhere = " WHERE "
+ COL_X + " > " + String.valueOf(p3.x) + " AND "
+ COL_X + " < " + String.valueOf(p1.x) + " AND "
+ COL_Y + " < " + String.valueOf(p2.y) + " AND "
+ COL_Y + " > " + String.valueOf(p4.y);
COL_X...
How do RVM and rbenv actually work?
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I wrote an in-depth article: http://niczsoft.com/2011/11/what-you-should-know-about-rbenv-and-rvm/
The basic difference is where the shell environment is changed:
RVM: it's changed when you change Ruby.
rbenv: it's changed when you run a Ruby/gem exec...
How to join strings in Elixir?
...u could treat it as an iolist:
["StringA", " ", "StringB"] |> IO.iodata_to_binary # "StringA StringB"
This gives you some performances boosts as you're not duplicating any of the strings in memory.
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How to use the TextWatcher class in Android?
...gered again, starting an infinite loop. You should then add like a boolean _ignore property which prevent the infinite loop.
Exemple:
new TextWatcher() {
boolean _ignore = false; // indicates if the change was made by the TextWatcher itself.
@Override
public void afterTextC...
Setting HTTP headers
...ying to set a header in my Go web server. I'm using gorilla/mux and net/http packages.
8 Answers
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if A vs if A is not None:
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The statement
if A:
will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool()...