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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.
...
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.
...
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...
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.
...
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
...
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 ...
What is the HTML tabindex attribute?
...ess of where it is in relation to the rest of the code (it could be in the footer, content area, where-ever) if there is a defined tabindex then the tab order will start at the element which is explicitly assigned the lowest tabindex value above 0. It will then cycle through the elements defined an...