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Get all keys of an NSDictionary as an NSArray
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2
@MazenKasser firstObject is a safer solution - in case if the dictionary doesn't have any keys the app won't crash: dict.allKeys.firstObject...
Line-breaking widget layout for Android
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Since May 2016 there is new layout called FlexboxLayout from Google, which is highly configurable for purpose you want.
FlexboxLayout is in Google GitHub repository at https://github.com/google/flexbox-layout at this moment.
You can ...
JPA EntityManager: Why use persist() over merge()?
...an ends, and the row for someField is updated in the database
// scenario 2
// tran starts
e = new MyEntity();
em.merge(e);
e.setSomeField(anotherValue);
// tran ends but the row for someField is not updated in the database
// (you made the changes *after* merging)
// scenario 3
// tran starts
e ...
Getting vertical gridlines to appear in line plot in matplotlib
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102
You may need to give boolean arg in your calls, e.g. use ax.yaxis.grid(True) instead of ax.yaxis...
How do I make a dotted/dashed line in Android?
...ndroid"
android:shape="line">
<stroke
android:color="#C7B299"
android:dashWidth="10px"
android:dashGap="10px"
android:width="1dp"/>
</shape>
view.xml:
<ImageView
android:layout_width="match_parent"
android:layout_height="5dp"
android:...
File extension for PowerShell 3
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answered Aug 24 '12 at 11:41
Mike ShepardMike Shepard
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What are five things you hate about your favorite language? [closed]
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182 Answers
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
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Gumbo
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answered Mar 5 '09 at 20:18
Yuval FYuval F
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Which is better: … or …
... in the type attribute, the MIME type application/javascript registered in 2006 is intended to replace text/javascript and is supported by current versions of all the major browsers (including Internet Explorer 9). A quote from the relevant RFC:
This document thus defines text/javascript and tex...
Python __call__ special method practical example
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edited Apr 28 '11 at 23:53
answered Apr 28 '11 at 23:33
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