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How can I exclude directories from grep -R?
...eal with grep performance but to show a portable solution : should also work with busybox or GNU version older than 2.5.
Use find, for excluding directories foo and bar :
find /dir \( -name foo -prune \) -o \( -name bar -prune \) -o -name "*.sh" -print
Then combine find and the non-recursive use of...
How to estimate how much memory a Pandas' DataFrame will need?
... answered Oct 6 '15 at 12:34
Aleksey SivokonAleksey Sivokon
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Why should I use IHttpActionResult instead of HttpResponseMessage?
... to IHttpActionResult using the canned response of ResponseMessage. It took me a while to figure this out, so I wanted to post it showing that you don't necesarily have to choose one or the other:
public IHttpActionResult SomeAction()
{
IHttpActionResult response;
//we want a 303 with the ab...
How to replace a character by a newline in Vim
... answered Sep 16 '08 at 11:21
Konrad RudolphKonrad Rudolph
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How to create a temporary directory/folder in Java?
...
If you are using JDK 7 use the new Files.createTempDirectory class to create the temporary directory.
Path tempDirWithPrefix = Files.createTempDirectory(prefix);
Before JDK 7 this should do it:
public static File createTempDirectory()
t...
Unicode character for “X” cancel / close?
...
✖ works really well. The HTML code is ✖.
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Automatically capture output of last command into a variable using Bash?
I'd like to be able to use the result of the last executed command in a subsequent command. For example,
22 Answers
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Class constants in python
... means "big", so probably you could improve your code by doing something like:
class Animal:
SIZE_HUGE="Huge"
SIZE_BIG="Big"
SIZE_MEDIUM="Medium"
SIZE_SMALL="Small"
class Horse(Animal):
def printSize(self):
print(self.SIZE_BIG)
Alternatively, you could create intermed...
When to use: Java 8+ interface default method, vs. abstract method
... whenever you have the choice of either, you should go with the defender (aka. default) method in the interface.
The constraint on the default method is that it can be implemented only in the terms of calls to other interface methods, with no reference to a particular implementation's state. So the...
What is context in _.each(list, iterator, [context])?
...lue of this in the iterator function.
var someOtherArray = ["name","patrick","d","w"];
_.each([1, 2, 3], function(num) {
// In here, "this" refers to the same Array as "someOtherArray"
alert( this[num] ); // num is the value from the array being iterated
// so ...