大约有 42,000 项符合查询结果（耗时：0.0777秒） [XML]
In MySQL, can I copy one row to insert into the same table?
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IMRAN - you may well ask. I thought perhaps the id field of the temporary table wasn't made a PK automatically (I'm pretty sure SQL Server doesn't do so in these circumstances) but it is. I needed to do ALTER TABLE tmptable_1 MODIFY primarykey INT NULL; after the first lin...
How does inline Javascript (in HTML) work?
...lert(this)">Click Me</a>
is actually closer to:
<a href="#" id="click_me">Click Me</a>
<script type="text/javascript">
document.getElementById('click_me').addEventListener("click", function(event) {
(function(event) {
alert(this);
}).call(document.getEle...
Does MySQL foreign_key_checks affect the entire database?
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It is session-based, when set the way you did in your question.
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
According to this, FOREIGN_KEY_CHECKS is "Both" for scope. This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or glob...
How do I add a class to a given element?
... of your new class to the className property of the element. First, put an id on the element so you can easily get a reference.
<div id="div1" class="someclass">
<img ... id="image1" name="image1" />
</div>
Then
var d = document.getElementById("div1");
d.className += " oth...
'Best' practice for restful POST response
...ad practice in a normal use case. This would be useful at least to get the ID easily and to get the timestamps when relevant.
This is actually the default behavior got when scaffolding with Rails.
I really do not see any advantage to returning only the ID and doing a GET request after, to get the d...
Programmatically Hide/Show Android Soft Keyboard [duplicate]
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Adding this to your code android:focusableInTouchMode="true" will make sure that your keypad doesn't appear on startup for your edittext box. You want to add this line to your linear layout that contains the EditTextBox. You should be able to play with th...
How do I POST JSON data with cURL?
...st my Spring REST application with cURL. I wrote my POST code at the Java side. However, I want to test it with cURL. I am trying to post a JSON data. Example data is like this:
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Show/hide 'div' using JavaScript
For a website I'm doing, I want to load one div, and hide another, then have two buttons that will toggle views between the div using JavaScript.
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Generate Java class from JSON?
...schema2pojo plug-in for Maven:
<plugin>
<groupId>org.jsonschema2pojo</groupId>
<artifactId>jsonschema2pojo-maven-plugin</artifactId>
<version>1.0.2</version>
<configuration>
<so...
How to use XPath contains() here?
...-value that contains a Model substring.
Examples
XML
<r>
<ul id="one">
<li>Model A</li>
<li>Foo</li>
</ul>
<ul id="two">
<li>Foo</li>
<li>Model A</li>
</ul>
</r>
XPaths
//ul[contains(l...