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Python: Get the first character of the first string in a list?
...mylist[0][0] # get the first character from the first item in the list
but
mylist[0][:1] # get up to the first character in the first item in the list
would also work.
You want to end after the first character (character zero), not start after the first character (character zero), which is...
How do I use shell variables in an awk script?
I found some ways to pass external shell variables to an awk script, but I'm confused about ' and " .
7 Answers
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Convert blob to base64
This is a snippet for the code that I want to do Blob to Base64 string:
9 Answers
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How do I get the time difference between two DateTime objects using C#?
How do I get the time difference between two DateTime objects using C#?
9 Answers
9
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Why are only final variables accessible in anonymous class?
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As noted in comments, some of this becomes irrelevant in Java 8, where final can be implicit. Only an effectively final variable can be used in an anonymous inner class or lambda expression though.
It's basically due to the way Java manages closures.
When ...
Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
Recently I've been reading some SO archives and encountered statements against the x86 architecture.
10 Answers
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Sorting HashMap by values [duplicate]
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Assuming Java, you could sort hashmap just like this:
public LinkedHashMap<Integer, String> sortHashMapByValues(
HashMap<Integer, String> passedMap) {
List<Integer> mapKeys = new ArrayList<>(passedMap.keySet());
List<String> mapValues ...
Why does make think the target is up to date?
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Maybe you have a file/directory named test in the directory. If this directory exists, and has no dependencies that are more recent, then this target is not rebuild.
To force rebuild on these kind of not-file-related targets, y...
SQL selecting rows by most recent date
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You can use a GROUP BY to group items by type and id. Then you can use the MAX() Aggregate function to get the most recent service month. The below returns a result set with ChargeId, ChargeType, and MostRecentServiceMonth
SELECT
CHARGEID,
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String is immutable. What exactly is the meaning? [duplicate]
I wrote the following code on immutable Strings.
19 Answers
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