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How does the const constructor actually work?
... the same time.
This topic was also discussed in https://github.com/dart-lang/sdk/issues/36079 with some interesting comments.
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Should I use tag for icons instead of ? [closed]
...itter, this is what we call a reply arrow.") And it is a term from another language: a symbolic language.
If, instead of the arrow symbol, Twitter used <i>shout out</i> or <i>[Japanese character for reply]</i> (on an English page), that would be consistent with the spec. Th...
Places where JavaBeans are used?
...ate(Date birthdate) { this.birthdate = birthdate; }
// Important java.lang.Object overrides.
public boolean equals(Object other) {
return (other instanceof User) && (id != null) ? id.equals(((User) other).id) : (other == this);
}
public int hashCode() {
retur...
From inside of a Docker container, how do I connect to the localhost of the machine?
... script that works in both environments (even in Linux distribution with "$LANG" != "en_*" configured):
ifconfig | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d: | head -n1
So, using Docker Compose, the full configuration will be:
Startup script (doc...
Get type of all variables
...s in the R manual on basic types: https://cran.r-project.org/doc/manuals/R-lang.html#Basic-types
Your object() needs to be penetrated with get(...) before you can see inside. Example:
a <- 10
myGlobals <- objects()
for(i in myGlobals){
typeof(i) #prints character
typeof(get(i)) ...
Difference between thread's context class loader and normal classloader
...ass.
NOTE: Except Bootstrap class loader, which is implemented in native language mostly in C, all Java class loaders are implemented using java.lang.ClassLoader.
Visibility Principle
According to visibility principle, Child ClassLoader can see class loaded by Parent ClassLoader but vice-ve...
Send email using java
...ation to access user's protected data.
* @return
* @throws java.lang.Exception */
private static Pair<Pair<Credential, String>, Boolean> authorize(GoogleClientSecrets clientSecrets, Set<String> scopes, File dataStoreDirectory) throws Exception {
// Set up aut...
Client-server synchronization pattern / algorithm?
...log.denivip.ru/index.php/2014/04/data-syncing-in-core-data-based-ios-apps/?lang=en)
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How does type Dynamic work and how to use it?
...n't exist or in other words it is a replica of "method missing" in dynamic languages.
It is correct, scala.Dynamic doesn't have any members, it is just a marker interface - the concrete implementation is filled-in by the compiler. As for Scalas String Interpolation feature there are well defined ru...
How to get UTF-8 working in Java webapps?
.../DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fi">
<head>
<meta http-equiv='Content-Type' content='text/html; charset=UTF-8' />
...
JDBC-connection
When using a db, it has to be defined that the connection uses UTF-8 encoding. This is d...