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keep rsync from removing unfinished source files
...a convention of naming the files differently during download (for example: foo.downloading while downloading for a file named foo) and you can use this property to exclude files which are still being downloaded from being copied.
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How do I find the next commit in git? (child/children of ref)
...;n>th parent (i.e. rev^ is equivalent to rev^1).
If you are on branch foo and issue "git merge bar" then foo will be the first parent.
I.e: The first parent is the branch you were on when you merged, and the second is the commit on the branch that you merged in.
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Why are empty strings returned in split() results?
...strings, here's what I get: python3 -m timeit "import re ; re.sub(' +', ' foo bar baz ', '').split(' ')" -> 875 nsec per loop; python3 -m timeit "[token for token in ' foo bar baz '.split(' ') if token]" -> 616 nsec per loop
– s3cur3
May 27 '1...
Rsync copy directory contents but not directory itself
...
Try rsync -av ~/foo/ user@remote.com:/var/www/bar/
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Way to go from recursion to iteration
...rder of the calls, you have to add them in the reverse order to the stack:
foo(first);
foo(second);
has to be replaced by
stack.push(second);
stack.push(first);
Edit: The article Stacks and Recursion Elimination (or Article Backup link) goes into more details on this subject.
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How to iterate over values of an Enum having flags?
...here's one way you can get them:
[Flags]
enum Items
{
None = 0x0,
Foo = 0x1,
Bar = 0x2,
Baz = 0x4,
Boo = 0x6,
}
var value = Items.Foo | Items.Bar;
var values = value.ToString()
.Split(new[] { ", " }, StringSplitOptions.None)
.Select(v =&g...
How can I download a specific Maven artifact in one command line?
...:
mvn dependency:get \
-DrepoUrl=http://.../ \
-Dartifact=com.foo.something:component:LATEST:jar \
-Dtransitive=false \
-Ddest=component.jar \
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What is the max size of localStorage values?
... function canStore(strLen) {
try {
delete localStorage.foo;
localStorage.foo = Array(strLen + 1).join('A');
return true;
} catch (ex) {
return false;
}
}
function storageMaxBetween(low, high) {
return canStore(...
Elegant way to check for missing packages and install them?
...dependencies. So given a character vector of packages you wish to load...
foo <- function(x){
for( i in x ){
# require returns TRUE invisibly if it was able to load package
if( ! require( i , character.only = TRUE ) ){
# If package was not able to be loaded then re-install
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What's the advantage of a Java enum versus a class with public static final fields?
...ion details (the name of the parameter). I can make an interface interface Foo { public void bar(String baz); }. Someone makes a class which invokes bar: someFoo.bar(baz = "hello");. I change the signature of Foo::bar to public void bar(String foobar). Now the person who called someFoo will need to ...