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Java URL encoding of query string parameters
... url = "https://example.com?q=" + URLEncoder.encode(q, StandardCharsets.UTF_8);
When you're still not on Java 10 or newer, then use StandardCharsets.UTF_8.toString() as charset argument, or when you're still not on Java 7 or newer, then use "UTF-8".
Note that spaces in query parameters are represe...
How can I convert an RGB image into grayscale in Python?
...ad('image.png')
gray = rgb2gray(img)
plt.imshow(gray, cmap=plt.get_cmap('gray'), vmin=0, vmax=1)
plt.show()
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Test if object implements interface
...ckListener,
OnCheckedChangeListener {
public static final String FIRST_RUN_ABOUT = "com.gosylvester.bestrides.firstrunabout";
public interface AboutDialogListener {
void onFinishEditDialog(Boolean _Checked);
}
private AboutDialogListener adl;
@Override
public View onCreateView(LayoutInf...
Join/Where with LINQ and Lambda
...1;
var query =
from post in database.Posts
join meta in database.Post_Metas on post.ID equals meta.Post_ID
where post.ID == id
select new { Post = post, Meta = meta };
If you're really stuck on using lambdas though, your syntax is quite a bit off. Here's the same query, using the LINQ ...
What is the difference between t.belongs_to and t.references in rails?
What is the difference between t.references and t.belongs_to ?
Why are we having those two different words? It seems to me they do the same thing?
Tried some Google search, but find no explanation.
...
Scala downwards or decreasing for loop?
... answered May 13 '14 at 21:54
LP_LP_
92477 silver badges1919 bronze badges
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Significance of -pthread flag when compiling
... with %{pthread:.
On my computer, this causes files to be compiled with -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc, changes the way some libc headers work. As a specific example, it makes errno ca...
How to create standard Borderless buttons (like in the design guideline mentioned)?
...ike in the right picture above).
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_alignParentBottom="true">
<View
android:layout_width="match_parent"
android:layout_height="1dip"
...
Download File Using Javascript/jQuery
...
Use an invisible <iframe>:
<iframe id="my_iframe" style="display:none;"></iframe>
<script>
function Download(url) {
document.getElementById('my_iframe').src = url;
};
</script>
To force the browser to download a file it would otherwise be ...
多点触控使用指导 · App Inventor 2 中文网
...creen1.Initialize() {
多点触控1.Register(垂直布局1)
}
when 按钮_暂停.Click() {
多点触控1.Enabled = false
}
when 按钮_恢复.Click() {
多点触控1.Enabled = true
}
when 多点触控1.LongPressed(组件, x坐标, y坐标) {
标签1.Text = join("长按位置：", x坐标, ",...