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自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
...gered when an error occurs during download.
Successful Download downloadId, filePath, fileSize, fileName
Event triggered to report download progress, speed, eta, fileSize, and downloadedSize
Download the file of given URL to the given path with
CustomFilePath.isEmpty : filePath = /storage/...
Markdown vs markup - are they related?
...n bold) for the printers to use when producing the final version. This was called marking up the text.
A computer mark-up language is just a standardised short-hand for these sorts of annotations.
HTML is basically the web's standard mark-up language, but it's rather verbose.
A list in HTML:
&l...
How to customize the background/border colors of a grouped table view cell?
...ll.
Unfortunately I couldn't figure out how to have this mode set automatically, so I had to set it in the UITableViewDataSource's -cellForRowAtIndexPath method.
It's a real PITA but I've confirmed with Apple engineers that this is currently the only way.
Update Here's the code for that custom bg...
How do you get current active/default Environment profile programmatically in Spring?
...se the spring.profiles.include property, and can set profiles programmatically during initialization using ConfigurableEnvironment. Environment.getActiveProfiles() will get the full list of profiles set using any of these mechanisms.
– Scott Frederick
Jul 5 '...
What is this crazy C++11 syntax ==> struct : bar {} foo {};?
... cannot declare variable 'obj' to be of abstract type 'foo'
Let's also recall that we can instantiate the UDT at the same time that we define it:
struct foo { foo() { cout << "!"; } }; // just a definition
struct foo { foo() { cout << "!"; } } instance; // so much more
// Ou...
error: ‘NULL’ was not declared in this scope
...licitly convertible to integral types, so it can be used to disambiguate a call to a function which has been overloaded for both pointer and integral types:
void f(int x);
void f(void * ptr);
f(0); // Passes int 0.
f(nullptr); // Passes void * 0.
...
How to remove selected commit log entries from a Git repository while keeping their changes?
...
Here is a way to remove a specific commit id knowing only the commit id you would like to remove.
git rebase --onto commit-id^ commit-id
Note that this actually removes the change that was introduced by the commit.
...
Javascript checkbox onChange
...
function calc()
{
if (document.getElementById('xxx').checked)
{
document.getElementById('totalCost').value = 10;
} else {
calculate();
}
}
HTML
<input type="checkbox" id="xxx" name="xxx" onclick="calc();"/>
...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...d. I started to work on it from within Compass, by integrating with data grid solutions like GigaSpaces, Coherence, and Terracotta, but it's not enough.
At its core, a distributed Lucene solution needs to be sharded. Also, with the advancement of HTTP and JSON as ubiquitous APIs, it means that a so...
How to center horizontally div inside parent div
How do I center a div horizontally inside its parent div with CSS ?
5 Answers
5
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