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Line-breaking widget layout for Android
...rs.xml, which you can create if it's not already there.
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="RowLayout">
<attr name="android:verticalSpacing" />
<attr name="android:horizontalSpacing" />
</declare-stylea...
How can I assign an ID to a view programmatically?
...ains unique:
Here, values/ids.xml defines a custom id:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="reservedNamedId" type="id"/>
</resources>
Then once the ViewGroup or View has been created, you can attach the custom id
myViewGroup.setId(R.id.reser...
What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
...
Xcode Project vs. Xcode Workspace - Differences
...ile, you will find the contents.xcworkspacedata file.
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "group:BluetoothColorLamp24G.xcodeproj">
</FileRef>
<FileRef
location = "group:Pods/Pods.xcodeproj">
...
Java HTTPS client certificate authentication
...
Maven pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4....
Rename an environment with virtualenvwrapper
...
if you do:
$ ack-grep -ai doors ~/.virtualenvs/django/bin
you'll notice that will have doors as location and not django, you'll to change each file with the new location.
solution:
after renamed the folder execute the command below.
$ sed -i "...
移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中：
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
该meta标签的作用是让当前viewport的宽度等于设备的宽度，同时不允许用户手动缩放。也许允不允许用户缩放不同的网站有不同的要求，但让v...
When should I use C++14 automatic return type deduction?
... we could probably work it out but we don't need to say it". When we write 1.0 + 27U we're asserting the latter, when we write (double)1.0 + (double)27U we're asserting the former. Simplicity of the function, degree of duplication, avoiding decltype might all contribute to that but none is going to ...
How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
...fest File". Edit the manifest text or copy/paste this:
<?xml version="1.0" encoding="utf-8"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3" >
<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/&g...
How can I quantify difference between two images?
...er pixel:", n_m/img1.size
print "Zero norm:", n_0, "/ per pixel:", n_0*1.0/img1.size
How to compare. img1 and img2 are 2D SciPy arrays here:
def compare_images(img1, img2):
# normalize to compensate for exposure difference, this may be unnecessary
# consider disabling it
img1 = no...