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Output first 100 characters in a string
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From python tutorial:
Degenerate slice indices are handled
gracefully: an index that is too large
is replaced by the string size, an
upper bound smaller than the lower
bound returns an empty string.
So it is safe to use x[:100].
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Losing scope when using ng-include
...10 '12 at 15:49
Renan Tomal FernandesRenan Tomal Fernandes
10.9k44 gold badges4545 silver badges3030 bronze badges
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How to set margin of ImageView using code, not xml
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android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.
Using e.g. LinearLayout...
UIButton: set image for selected-highlighted state
I set an images for button's states Normal,Highlighted and Selected, but when the button in selected state and I press/highlight it I didn't see my highlighted image but just grayed picture.
Is it possible to set an image for highlighted state when the button selected?
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Java Can't connect to X11 window server using 'localhost:10.0' as the value of the DISPLAY variable
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This command helped me to solve the problem:
export DISPLAY=:0
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How do I see if Wi-Fi is connected on Android?
...d be noted (for us n00bies here) that you need to add
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
to your
AndroidManifest.xml for this to work.
NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated:
This method was deprecated in AP...
How to add Google Analytics Tracking ID to GitHub Pages
... already signed up for Google analytics then you can browse it under admin and then tracking info tab )
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Thread Safety in Python's dictionary
...de should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind.
http://effbot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details.
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Java: How to get input from System.console()
...d delegates to an overloaded read() method that reads 8192 amount of bytes and buffers them until they are needed. It still returns only the single byte (but keeps the others in reserve). This way the BufferedInputStream makes less native calls to the OS to read from the file. Thanks
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How do you downgrade rubygems?
...ve rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
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