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How to open a second activity on click of button in android app
...thod:
public void sendMessage(View view) {
Intent intent = new Intent(FromActivity.this, ToActivity.class);
startActivity(intent);
}
And the most important thing: don't forget to define your activity in manifest.xml
<activity>
android:name=".ToActivity"
android:label="...
Practicing BDD with python [closed]
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If you are using django, save yourself some time from using Lettuce, the current version 2.19 doesn't work with latest django.
– James Lin
May 6 '14 at 3:10
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How do you downgrade rubygems?
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This worked for me when downgrading from 1.5.2 to 1.4.2 because of old rails version:
sudo gem update --system 1.4.2
More information about downgrading/upgrading rubygems: https://github.com/rubygems/rubygems/blob/master/UPGRADING.md
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@import vs #import - iOS 7
...box), then move it to the "Frameworks" group. It will save many developers from the cryptic "Linker error" messages.
You don't actually need to use the @import keyword. If you opt-in to using modules, all #import and #include directives are mapped to use @import automatically. That means that you do...
Detecting a mobile browser
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Using Regex (from detectmobilebrowsers.com):
Here's a function that uses an insanely long and comprehensive regex which returns a true or false value depending on whether or not the user is browsing with a mobile.
window.mobileCheck = f...
Are there any Java method ordering conventions? [closed]
..., and then all the private ones - that means it's easy to separate the API from the implementation, even when there's no interface involved, if you see what I mean.
Another idea is to group related methods together - this makes it easier to spot seams where you could split your existing large class...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...pent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer management does give an order of magnitude improvement.
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What is the difference between screenX/Y, clientX/Y and pageX/Y?
... number which indicates the number of physical “CSS pixels” a point is from the reference point. The event point is where the user clicked, the reference point is a point in the upper left. These properties return the horizontal and vertical distance from that reference point.
pageX and pageY...
Responsively change div size keeping aspect ratio [duplicate]
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@IlyaD Take a look at this from the CSS2 specification: little link.
– Chris
Aug 25 '12 at 21:24
8
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Bubble Sort Homework
...ne argument (named stop). In that case, you get a list of all the integers from 0 to that argument.
for i in range(length):
The Python Style Guide recommends that variables be named in lowercase with underscores. This is a very minor nitpick for a little script like this; it's more to get you accu...