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Should I use document.createDocumentFragment or document.createElement
...children are appended.
Take the case of:
var ul = document.getElementById("ul_test");
// First. add a document fragment:
(function() {
var frag = document.createDocumentFragment();
var li = document.createElement("li");
li.appendChild(document.createTextNode("Documen...
How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...
Since the question was asked the Angular team has solved this issue by making it possible to dynamically create input names.
With Angular version 1.3 and later you can now do this:
<form name="vm.myForm" novalidate>
<div ng-repeat="p in vm.persons">
<input type="text" ...
Position an element relative to its container
...is laid out in normal flow, then it is removed from normal flow and offset by whatever values you have specified (top, right, bottom, left). It's important to note that because it's removed from flow, other elements around it will not shift with it (use negative margins instead if you want this beha...
How to disable a particular checkstyle rule for a particular line of code?
... @SuppressWarnings annotation, starting with Checkstyle 5.7 (and supported by the Checkstyle Maven Plugin 2.12+).
First, in your checkstyle.xml, add the SuppressWarningsHolder module to the TreeWalker:
<module name="TreeWalker">
<!-- Make the @SuppressWarnings annotations available to...
Fastest check if row exists in PostgreSQL
...y word for TRUE / FALSE return:
select exists(select 1 from contact where id=12)
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Multi-project test dependencies with gradle
... explicit task dependency in ProjectB:
compileTestJava.dependsOn tasks.getByPath(':ProjectA:testClasses')
Difficult (but more clear) way is to create additional artifact configuration for ProjectA:
task myTestsJar(type: Jar) {
// pack whatever you need...
}
configurations {
testArtifacts
}...
Easiest way to toggle 2 classes in jQuery
...the class with the other on (say..) the container. You can guess the other by using _.without() on the array:
$mycontainer.removeClass(_.without(types, type)[0]).addClass(type);
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Easiest way to rename a model using Django/South?
...be deleted:
yourapp | foo
Any objects related to these content types by a foreign key will also
be deleted. Are you sure you want to delete these content types?
If you're unsure, answer 'no'.
I answered "no" and everything seemed to be fine.
...
Using OR in SQLAlchemy
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@intgr The example showed by robru is still efficient, if you want to use another operator instead of in_, for example the LIKE operator.
– Lhassan Baazzi
Jul 12 '17 at 1:41
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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...照一些属性来判断谁应该胜出。这个属性可以是一个静态ID，也可以是更新的度量像最近一次事务ID（最新的节点会胜出）。详情请参考NoSQL数据库分布式算法的协调者竞选还有维基百科的解释 。
选举 那mongodb是怎进行选举的呢...