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How can I grep hidden files?
...e with this output format:
File path:Line number:line with coincidence
./foo/bar:42:search line
./foo/.bar:42:search line
./.foo/bar:42:search line
./.foo/.bar:42:search line
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How can I reset or revert a file to a specific revision?
...
git checkout -- foo
That will reset foo to HEAD. You can also:
git checkout HEAD^ foo
for one revision back, etc.
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How do I reverse a C++ vector?
...tems along for every insertion.) So as opposed to:
std::vector<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_back(nextItem);
}
std::reverse(foo.begin(), foo.end());
You can instead do:
std::deque<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_fron...
How to avoid isset() and empty()
...uation there are different ways to do that:
Function arguments:
function foo ($bar, $baz = null) { ... }
There's no need to check whether $bar or $baz are set inside the function because you just set them, all you need to worry about is if their value evaluates to true or false (or whatever else...
Best way to extract a subvector from a vector?
...
std::vector<T>(input_iterator, input_iterator), in your case foo = std::vector<T>(myVec.begin () + 100000, myVec.begin () + 150000);, see for example here
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When should we use intern method of String on String literals
...
String literals and constants are interned by default.
That is, "foo" == "foo" (declared by the String literals), but new String("foo") != new String("foo").
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Make .gitignore ignore everything except a few files
...ent answer, but It's worth noting for anyone coming across this later that foo and foo/* are not the same. For this to work, you need to use foo/* for the base folder
– thislooksfun
Jul 30 '16 at 16:13
...
How to import existing Git repository into another?
... to do that is to use git format-patch.
Assume we have 2 git repositories foo and bar.
foo contains:
foo.txt
.git
bar contains:
bar.txt
.git
and we want to end-up with foo containing the bar history and these files:
foo.txt
.git
foobar/bar.txt
So to do that:
1. create a temporary di...
How to search file text for a pattern and replace it with a given value
...de into your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "replacement string")
# To merely print the contents of the file, use:
puts new_contents
#...
How to get a path to a resource in a Java JAR file
...the difference between:
getClass().getClassLoader().getResource("com/myorg/foo.jpg") //relative path
and
getClass().getResource("/com/myorg/foo.jpg")); //note the slash at the beginning
I guess, this confusion is causing most of problems when loading a resource.
Also, when you're loading an image...