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Converting an integer to a hexadecimal string in Ruby
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10.to_s(16) #=> "a"
Note that in ruby 2.4 FixNum and BigNum were unified in the Integer class.
If you are using an older ruby check the documentation of FixNum#to_s and BigNum#to_s
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Call removeView() on the child's parent first
...t. since there is no parent at the beginning, there is nothing to remove. if (mAdView.getParent()!=null) ((ViewGroup) mAdView.getParent()).removeView(mAdView);
– Tarek
Sep 8 '16 at 19:46
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difference between collection route and member route in ruby on rails?
What is the difference between collection routes and member routes in Rails?
4 Answers
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Clear variable in python
...ing a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane details, at leas...
new DateTime() vs default(DateTime)
...arameterless constructors for structs, which allow the behavior of new to differ from what default(T) will do.
– vcsjones
Feb 27 '15 at 15:45
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Check if a string contains an element from a list (of strings)
...ut arguably less clear):
bool b = listOfStrings.Any(myString.Contains);
If you were testing equality, it would be worth looking at HashSet etc, but this won't help with partial matches unless you split it into fragments and add an order of complexity.
update: if you really mean "StartsWith", t...
Converting DateTime format using razor
...ber to set "ApplyFormatInEditMode = true" in your DisplayFormat definition if you want the date formatting to be applied to EditorFor() elements.
– Latedeveloper
Oct 22 '11 at 10:47
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IntelliJ IDEA hint parameters of method
... @Arvidaa You can search in keymap by keystroke as well (magnifying glass with 3 blocks icon).
– mvd
Apr 2 '15 at 18:04
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How to enable Heap updates on my android client
...n one thing, you have to put in android:debuggable="true" in the AndroidManifest.xml (under Application tag) in order to see the process list appear under the available device/simulator (in DDMS). Even though you are not trying to run your application in debug mode.
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Can I change the Android startActivity() transition animation?
...conds
</set>
In your finish-class
private void finishTask() {
if("blabbla".equals("blablabla"){
finish();
runFadeInAnimation();
}
}
private void runFadeInAnimation() {
Animation a = AnimationUtils.loadAnimation(this, R.anim.fadein);
a.reset();
LinearLayo...