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App Inventor 2 AsciiConversion 拓展，ASCII编码与解码，Ascii码转换 · App Inventor 2 中文网
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.aix 拓展下载：
AsciiConversion.aix
demo程序下载：
test_AsciiConversion.aia
此扩展允许用户将 Ascii 代码(列表)转换为相应的文本，也可以将指定的字符转换为相应的 Ascii 代码。
此扩展提供 3个 函数：
AsciiCode: 给出字...
Nested or Inner Class in PHP
...new \Package\MyParent\ProtectedChild();
}
public function test() {
echo "Call from parent -> ";
$this->publicChild->protectedMethod();
$this->protectedChild->protectedMethod();
echo "<br>Siblings<br>";
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How do I get a background location update every n minutes in my iOS application?
...he three allowed types of background execution.
Note: I lost some time by testing this in the simulator where it doesn't work. However, it works fine on my phone.
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
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IMHO, the reason why 2 queries
SELECT * FROM count_test WHERE b = 666 ORDER BY c LIMIT 5;
SELECT count(*) FROM count_test WHERE b = 666;
are faster than using SQL_CALC_FOUND_ROWS
SELECT SQL_CALC_FOUND_ROWS * FROM count_test WHERE b = 555 ORDER BY c LIMIT 5;
has to be see...
Using Moq to mock an asynchronous method for a unit test
I am testing a method for a service that makes a Web API call. Using a normal HttpClient works fine for unit tests if I also run the web service (located in another project in the solution) locally.
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How can one use multi threading in PHP applications
...ng in PHP should therefore remain to CLI-based applications only.
Simple Test
#!/usr/bin/php
<?php
class AsyncOperation extends Thread {
public function __construct($arg) {
$this->arg = $arg;
}
public function run() {
if ($this->arg) {
$sleep = m...
Super slow lag/delay on initial keyboard animation of UITextField
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Yeah, I also got a few seconds delay on the latest iPhone 4s. Don't panic. For some reasons, it only happens the first time the app is loaded from Xcode in Debug. When I did Release, I don't get the delay. Just forget it...
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Handling file renames in git
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Best thing is to try it for yourself.
mkdir test
cd test
git init
touch aaa.txt
git add .
git commit -a -m "New file"
mv aaa.txt bbb.txt
git add .
git status
git commit --dry-run -a
Now git status and git commit --dry-run -a shows two different results where git stat...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
Not sure how I can fix this, trying to do a unit test on the method "GetByTitle"
1 Answer
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How do I programmatically determine if there are uncommitted changes?
...refresh
git diff-index --quiet HEAD --
A more precise option would be to test git status --porcelain=v1 2>/dev/null | wc -l, using the porcelain option.
See Myridium's answer.
(nornagon mentions in the comments that, if there are files that have been touched, but whose contents are the same as ...