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Compare given date with today
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for php 4 quit the last '.0' from $var = "2010-01-21 00:00:00.0", otherwise strtotime will return -1
– javier_domenech
Dec 19 '14 at 16:03
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Check if list is empty in C# [closed]
... have a list of objects populated from a database. I need to display an error message if the list is empty and display a grid view otherwise.
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Get first key in a (possibly) associative array?
...he first key in a possibly associative array? My first thought it to just foreach the array and then immediately breaking it, like this:
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Maximum value for long integer
How can I assign the maximum value for a long integer to a variable, similar, for example, to C++'s LONG_MAX .
7 Answers
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Spring @PropertySource using YAML
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Spring-boot has a helper for this, just add
@ContextConfiguration(initializers = ConfigFileApplicationContextInitializer.class)
at the top of your test classes or an abstract test superclass.
Edit: I wrote this answer five years ago. It doesn't wo...
Easiest way to rename a model using Django/South?
I've been hunting for an answer to this on South's site, Google, and SO, but couldn't find a simple way to do this.
4 Answ...
Converting JSON data to Java object
...looked at Google's Gson as a potential JSON plugin. Can anyone offer some form of guidance as to how I can generate Java from this JSON string?
Google Gson supports generics and nested beans. The [] in JSON represents an array and should map to a Java collection such as List or just a plain Java ar...
Shell script - remove first and last quote (") from a variable
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There's a simpler and more efficient way, using the native shell prefix/suffix removal feature:
temp="${opt%\"}"
temp="${temp#\"}"
echo "$temp"
${opt%\"} will remove the suffix " (escaped with a backslash to prevent shell interpretation).
${tem...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
...access an index that is out of bounds, there is an unsurprising runtime error:
19 Answers
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Find a pair of elements from an array whose sum equals a given number
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# Let arr be the given array.
# And K be the give sum
for i=0 to arr.length - 1 do
# key is the element and value is its index.
hash(arr[i]) = i
end-for
for i=0 to arr.length - 1 do
# if K-th element exists and it's different then we found a pair
if hash(K - arr[i]) !=...