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How to get domain URL and application name?
...ake use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="req" value="${pageContext.request}" />
<c:set var="url">${req.requestURL}</c:set>
<...
Android Get Current timestamp?
...
From developer.android.com/reference/java/lang/… I found that System.nanoTime() is an alternative to System.currentTimeMillis() and it has no unpredictable fluctuations, and is designed for measuring duration differences.
– Bianca Danici...
Unfortunately MyApp has stopped. How can I solve this?
...tion.
How to solve it?
Every time an Android application crashes (or any Java application for that matter), a Stack trace is written to the console (in this case, logcat). This stack trace contains vital information for solving your problem.
Android Studio
In the bottom bar of the window, clic...
How to force ViewPager to re-instantiate its items [duplicate]
...is causes java.lang.IllegalStateException: FragmentManager is already executing transactions
– Nasz Njoka Sr.
Nov 7 '16 at 9:48
...
Check empty string in Swift?
...e 11.3 swift 5.2 and later
Use
var isEmpty: Bool { get }
Example
let lang = "Swift 5"
if lang.isEmpty {
print("Empty string")
}
If you want to ignore white spaces
if lang.trimmingCharacters(in: .whitespaces).isEmpty {
print("Empty string")
}
...
How can I reference the value of a final static field in the class?
Using JavaDoc, how can I reference the value of a final static field in the class?
1 Answer
...
Show all Elasticsearch aggregation results/buckets and not just 10
...eference/current/returning-only-agg-results.html
"aggs" : {
"langs": {
"composite" : {
"size": ITEMS_PER_PAGE,
"sources" : [
{ "language": { "terms" : { "field": "language" } } }
]
}
...
What does the Java assert keyword do, and when should it be used?
...
Assertions (by way of the assert keyword) were added in Java 1.4. They are used to verify the correctness of an invariant in the code. They should never be triggered in production code, and are indicative of a bug or misuse of a code path. They can be activated at run-time by w...
How do I add a linker or compile flag in a CMake file?
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Don't set CMAKE_<LANG>_FLAGS in a toolchain. And there's no such thing as CMAKE_CXX_DEBUG_FLAGS. It's CMAKE_CXX_FLAGS_DEBUG. And you shouldn't use that either. Only set CMAKE_<LANG>_FLAGS[_<CONFIG>]_INIT in a toolchain
...
How do I call the default deserializer from a custom deserializer in Jackson
...e for EE edition containers (Wildfly 10)? I get JsonMappingException: (was java.lang.NullPointerException) (through reference chain: java.util.ArrayList[0])
– user1927033
Jun 15 '17 at 1:38
...