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How to output git log with the first line only?
I am trying to customize the format for git log . I want all commits to be shown in one line. Each line should only show the first line of the commit message.
I found out that git log --pretty=short should do the trick but on my computer it shows the full log as git log does (besides the ti...
Breaking out of a nested loop
If I have a for loop which is nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way?
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How to convert a data frame column to numeric type?
...tical issue in mind, mostly because you haven't specified what type of vector you want to convert to numeric. I suggest that you should apply transform function in order to complete your task.
Now I'm about to demonstrate certain "conversion anomaly":
# create dummy data.frame
d <- data.frame(c...
Can a CSV file have a comment?
Is there any official way to allow a CSV formatted file to allow comments, either on its own line OR at the end of a line?
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How to post JSON to PHP with curl
...ying all afternoon to run the curl post command in this recess PHP framework tutorial. What I don't understand is how is PHP supposed to interpret my POST, it always comes up as an empty array.
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Convert JS object to JSON string
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All current browsers have native JSON support built in. So as long as you're not dealing with prehistoric browsers like IE6/7 you can do it just as easily as that:
var j = {
"name": "binchen"
};
console.log(JSON.stringify(j));
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Convert a string to regular expression ruby
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To be clear
/#{Regexp.quote(your_string_variable)}/
is working too
edit: wrapped your_string_variable in Regexp.quote, for correctness.
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how to get the one entry from hashmap without iterating
... answer by Jesper is good. An other solution is to use TreeMap (you asked for other data structures).
TreeMap<String, String> myMap = new TreeMap<String, String>();
String first = myMap.firstEntry().getValue();
String firstOther = myMap.get(myMap.firstKey());
TreeMap has an overhead s...
Automapper: Update property values without creating a new object
..., destination);
Yes, it returns the destination object, but that's just for some other obscure scenarios. It's the same object.
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Python regex find all overlapping matches?
...rested in, but the actual match is technically the zero-width substring before the lookahead, so the matches are technically non-overlapping:
import re
s = "123456789123456789"
matches = re.finditer(r'(?=(\d{10}))',s)
results = [int(match.group(1)) for match in matches]
# results:
# [1234567891,
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