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Does Go have “if x in” construct similar to Python?
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There is no built-in operator to do it in Go. You need to iterate over the array. You can write your own function to do it, like this:
func stringInSlice(a string, list []string) bool {
for _, b := range list {
if b == a {
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Parse a URI String into Name-Value Collection
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If you are looking for a way to achieve it without using an external library, the following code will help you.
public static Map<String, String> splitQuery(URL url) throws UnsupportedEncodingException {
Map<String, String> query_pairs = new LinkedHashMap<String, String>();...
Appending to an empty DataFrame in Pandas?
Is it possible to append to an empty data frame that doesn't contain any indices or columns?
3 Answers
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Java inner class and static nested class
What is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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Image inside div has extra space below the image
Why in the following code the height of the div is bigger than the height of the img ? There is a gap below the image, but it doesn't seems to be a padding/margin.
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How to configure git push to automatically set upstream without -u?
... to automatically set the upstream reference when I push a locally-created branch for the first time.
10 Answers
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How do I find a “gap” in running counter with SQL?
I'd like to find the first "gap" in a counter column in an SQL table. For example, if there are values 1,2,4 and 5 I'd like to find out 3.
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Version number comparison in Python
I want to write a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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Throttling method calls to M requests in N seconds
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I'd use a ring buffer of timestamps with a fixed size of M. Each time the method is called, you check the oldest entry, and if it's less than N seconds in the past, you execute and add another entry, otherwise you sleep for the time differe...
What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java
...when seen at the top of files is used to create a namespace, i.e. a named object under which functions and variables can be created without unduly polluting the global object.
The reason why it's used is so that if you have two (or more) files:
var MY_NAMESPACE = MY_NAMESPACE || {};
MY_NAMESPACE.f...