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What is this 'Lambda' everyone keeps speaking of?
...we could use lambdas to respond to events that may happen at some point in time.
window.onload = function () {
alert("Loaded");
};
window.setTimeout(function () {
alert("Code executed after 2 seconds.");
}, 2000);
This could have been done in some other ways, but those are rather verbose...
Retrieve the commit log for a specific line in a file?
...accepting. Currently there is no way to "navigate through patches" back in time without some elaborate scripting. I'm hoping that gitk will get this functionality in it's patch view in the future.
– Adam Dymitruk
Dec 8 '11 at 19:50
...
When should one use RxJava Observable and when simple Callback on Android?
...ield, which loads data using Retrofit.
We don't want to do a webcall every time an EditText has a TextChangedEvent. When typing fast, only the last element should trigger the call.
On RxJava we can use the debounce operator:
inputObservable.debounce(1, TimeUnit.SECONDS).subscribe(new Action1<Str...
How can I make my match non greedy in vim?
...
Lots of these tools matured around the same time and independently developed their own dialect of a regular expression language. Many of these tools also were trying to solve different problems so it makes sense that the syntax could be -potentially wildly- different ...
How do I split a string on a delimiter in Bash?
...ed by ;, pushing it into an array. Stuff for processing whole of $IN, each time one line of input separated by ;:
while IFS=';' read -ra ADDR; do
for i in "${ADDR[@]}"; do
# process "$i"
done
done <<< "$IN"
...
How to trick an application into thinking its stdout is a terminal, not a pipe
...@")" /dev/null; } Otherwise, a file named typescript will be created each time a command is run, in many cases.
– w0rp
Mar 3 '17 at 16:27
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Search and replace in bash using regular expressions
...ing sed or other external tools is expensive due to process initialization time. I especially searched for all-bash solution, because I found using bash substitutions to be more than 3x faster than calling sed for each item in my loop.
– rr-
Oct 11 '14 at 13:36...
How do I watch a file for changes?
...e being written by another process which I want to watch for changes. Each time a change occurs I'd like to read the new data in to do some processing on it.
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Find and Replace Inside a Text File from a Bash Command
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@awattar Just do them one at a time in a for loop.
– slim
Jul 30 at 9:05
I...
Get list of passed arguments in Windows batch script (.bat)
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I found that next time when you need to look up these information. Instead of opening a browser and google it, you could just type call /? in your cmd and you'll get it:
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%* in a batch script refers to all the arguments (e.g. %1 %2 %3
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