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'AND' vs '&&' as operator
...with the same precedence distinction so it wouldn't be sensible to deviate from this standard (however puzzling it might be for beginners) by making precedence equal in PHP. Not to mention the backward compatibility of tons of PHP applications.
– Mladen Jablanović
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What's the best way to do “application settings” in Android? [closed]
...e the preferences instance, here is how you can retrieve the stored values from the preferences:
int storedPreference = preferences.getInt("storedInt", 0);
To store values in the preference file SharedPreference.Editor object has to be used. Editor is the nested interface of the SharedPreference...
Drop rows with all zeros in pandas data frame
...his question about once a month and always have to dig out the best answer from the comments:
df.loc[(df!=0).any(1)]
Thanks Dan Allan!
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How to empty a list in C#?
...ain it's capacity.
Count is set to 0, and references to other objects from elements of
the collection are also released.
Capacity remains unchanged.
Option #2 - Use Clear() and TrimExcess() functions to set List<T> to initial state.
Count is set to 0, and references to other...
How can I style an Android Switch?
...at defines the different states for the switcher drawable.
Here the copies from the Android sources:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="false" android:drawable="@drawable/switch_thumb_disabled_holo_light" />
<it...
How to find path of active app.config file?
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Thank you. I had a project upgraded from VS2008 -> VS2013 that refused to read the app.config file. Then I learned via AppDomain.CurrentDomain.SetupInformation.ConfigurationFile that it was searching for XXX.vshost.exe.config which was not being generated . ...
Why doesn't 'ref' and 'out' support polymorphism?
...pass a variable of type Animal to N?
Hmm.
Well, why not? N cannot read from n, it can only write to it, right? You write a Tiger to a variable of type Animal and you're all set, right?
Wrong. The rule is not "N can only write to n".
The rules are, briefly:
1) N has to write to n before N ...
How to determine if an NSDate is today?
...ndarUnitEra | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:aDate];
NSDateComponents *today = [[NSCalendar currentCalendar] components:NSCalendarUnitEra | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:[NSDate date]];
if([today day] == [otherDay day] &a...
Open popup and refresh parent page on close popup
...ses, as the onunload event is triggered only after the user navigates away from the first page.
– AntonChanning
Nov 14 '16 at 15:05
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Subscript and Superscript a String in Android
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((TextView)findViewById(R.id.text)).setText(Html.fromHtml("X<sup>2</sup>"));
or
Common Tasks and How to Do Them in Android
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