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Flatten an Array of Arrays in Swift
...
Just to state this more generally, flatMap is available as of Swift 1.2.
– Mick MacCallum
Apr 24 '15 at 4:56
3
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CSS: Set a background color which is 50% of the width of the window
...to 50% of the page width. This results in a similar effect, though would really only be used over gradients if you happen to be using an image or two.
html {
height: 100%;
background-color: cyan;
}
body {
height: 100%;
background-image: url('http://i.imgur.com/9HMnxKs.png');
ba...
How can I connect to Android with ADB over TCP? [closed]
...101:5555
Be sure to replace 192.168.0.101 with the IP address that is actually assigned to your device. Once you are done, you can disconnect from the adb tcp session by running:
adb disconnect 192.168.0.101:5555
You can find the IP address of a tablet in two ways:
Manual IP Discovery:
Go into And...
jQuery AJAX file upload PHP
...ript to look like this:
$('#upload').on('click', function() {
var file_data = $('#sortpicture').prop('files')[0];
var form_data = new FormData();
form_data.append('file', file_data);
alert(form_data);
$.ajax({
url: 'uploa...
How to get Activity's content view?
What method should I call to know if an Activity has its contentView (once the method setContentView() has been called)?
...
Django Passing Custom Form Parameters to Formset
...m functools import partial, wraps
from django.forms.formsets import formset_factory
ServiceFormSet = formset_factory(wraps(ServiceForm)(partial(ServiceForm, affiliate=request.affiliate)), extra=3)
I think this is the cleanest approach, and doesn't affect ServiceForm in any way (i.e. by making it ...
Custom Adapter for List View
...lns:android="http://schemas.android.com/apk/res/android"
android:layout_height="wrap_content" android:orientation="vertical"
android:layout_width="fill_parent">
<TableRow android:layout_width="fill_parent"
android:id="@+id/TableRow01"
android:layout_hei...
App Inventor 2 OCR 文字识别方案:在线云 API 与离线拓展 · App Inventor 2 中文网
...。
查看完整文档并下载 OCR v2.0 拓展 »
拓展类名:cn.fun123.OCR
支持其它语言:将对应的 .traineddata 加入应用素材,并设置 Language 属性。
本拓展包含原生库,联机调试需使用 2026-07 之后的新版 AI 伴侣;打包 APK 不受影响...
Is there a Python function to determine which quarter of the year a date is in?
...ond quarter, etc -- add 1 if you need to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for ...
App Inventor 2 经典蓝牙(SPP) 硬件接入:hc05 · App Inventor 2 中文网
...波特率设置不对,改为9600试试。
2、默认是GBK编码,非UTF-8的,如“你好”对应16进制:C4 E3 BA C3。而AI2中文字符串默认是UTF-8编码的(E4 BD A0 E5 A5 BD )。
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