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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
...h *= 1.1;
System.out.println(ch); // prints '4'
or
char ch = 'A';
ch *= 1.5;
System.out.println(ch); // prints 'a'
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Activity transition in Android
How can I define the transition between two activities for Android 1.5 and later?
I would like an activity to fade in.
14 ...
Get string character by index - Java
...rdingly to charCount:
/* 2 */
System.out.println(
"\n\nUsing Java 1.5 codePointAt(works as expected)");
for (int pos = 0; pos < str.length();) {
int cp = str.codePointAt(pos);
char chars[] = Character.toChars(cp);
// ^^^^^^^^^^^^^^^^^^^^^
// ...
Add floating point value to android resources/values
...item>
<item name="windowNavPaneSum" type="integer" format="float">1.5</item>
<item name="windowContentPaneSum" type="integer" format="float">4.5</item>
And later use them in your layout using @integer/name_of_resource, for example:
<LinearLayout xmlns:android="http:/...
Where's my JSON data in my incoming Django request?
... # will be <QueryDict: {u'name':u'John', u'age': 42}>
Changed in 1.5+ : https://docs.djangoproject.com/en/dev/releases/1.5/#non-form-data-in-http-requests
Non-form data in HTTP requests
: request.POST will no longer include data posted via HTTP requests with
non form-specific cont...
Covariance, Invariance and Contravariance explained in plain English?
...in(A)) = parametertype(method asdeclaredin(B)) when overriding. Since Java 1.5, covariant return types are permitted when overriding, i.e. the following will compile in Java 1.5, but not in Java 1.4:
class Collection {
Iterator iterator() { ... }
}
class List extends Collection {
@Override...
VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
...1280x720)
3~6 Mbps
4 Mbps
480P (720x480)
1.5~3 Mbps
2 Mbps
更低
1~2 Mbps
1.5 Mbps
Quality 预设值
HIGHEST - 设备支持的最高分辨率
LOWEST - 设备支持的最低分辨率
1080P / ...
Get type of all variables
...(c(5L, 6L)) #a vector containing only integers: integer
typeof(c(1.5, 2.5)) #a vector containing only doubles: double
typeof(c(1.5, 2.5)) #a vector containing only doubles: double
typeof(c(TRUE, FALSE)) #a vector containing only logicals: logical
#R is really crampi...
Python list directory, subdirectory, and files
...Files).append(i)
return allFiles
def listFiles3(root): # walk (takes ~1.5x as long)
allFiles = []
for folder, folders, files in os.walk(root):
for file in files: allFiles+=[folder.replace("\\","/")+"/"+file] # folder+"\\"+file still ~1.5x
return allFiles
def listFiles4(root...
Call Go functions from C
...
As of Go 1.5 there is better support for calling Go from C. See this question if you are looking for an answer that demonstrates a simpler technique: stackoverflow.com/questions/32215509/…
– Gabriel Southern
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