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How to sort an ArrayList in Java [duplicate]
...making the objects implement Comparable would work. The difference is that by implementing Comparable, you're saying that the ordering is a fundamental part of the nature of the objects (like integers or strings), whereas by using a Comparator, you're saying that in this specific context, you want t...
How can I lookup a Java enum from its String value?
...sity.BRIEF
For arbitrary values start with:
public static Verbosity findByAbbr(String abbr){
for(Verbosity v : values()){
if( v.abbr().equals(abbr)){
return v;
}
}
return null;
}
Only move on later to Map implementation if your profiler tells you to.
I k...
Exclude all transitive dependencies of a single dependency
...he app module yet). I found this to work:
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>app</artifactId>
<version>${project.version}</version>
<exclusions>
<exclusion>
<groupId>*</gro...
Download File Using Javascript/jQuery
...
Use an invisible <iframe>:
<iframe id="my_iframe" style="display:none;"></iframe>
<script>
function Download(url) {
document.getElementById('my_iframe').src = url;
};
</script>
To force the browser to download a file it would otherwi...
How to show popup message like in Stack Overflow
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...
...法。由于有两个表作为数据插入表，使用数据库表的自增id并不太合适，需要一个高速的唯一自增Id服务器提供生成分布式ID。另数据库完全可以关闭写事务日志 ，提高性能，因为抓取的数据当时丢失再启动抓取就可以了， 这样...
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
... if the model is getting is invalidated then i come the data submitted by the user will be saved in the db? i am also facing same problem. i am a newbie. correct me if i am wrong.
– Koushik Saha
Nov 3 '14 at 12:38
...
How to do a Jquery Callback after form submit?
... action or method attribute on the tag, which ensures the POST is handled by the $.ajax function and gives you the callback option.
<form id="form">
...
<button type="submit"></button>
</form>
<script>
$(document).ready(function() {
$("#form_selector").submit(funct...
How to change a span to look like a pre with CSS?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
What should I use Android AccountManager for?
...on with username and password each time an authorized feature is requested by the user, because the authentication takes place in the background and the user is asked for their password only in certain condition, which I will get to it later.
Using the Accounts feature in android also removes the ne...