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Short form for Java if statement

... Won't String cityName = city.getName(); throw a NullPointerException if city == null? I'd therefore say your middle solution is definitely the best (PS and I approve of the 'unnecessary' parentheses! People need to remember that 9...
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How to check command line parameter in “.bat” file?

... command. ... the /I switch, if specified, says to do case insensitive string compares. it may be of help if you want to give case insensitive flexibility to your users to specify the parameters. IF /I "%1"=="-b" GOTO SPECIFIC ...
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Creating a comma separated list from IList or IEnumerable

What is the cleanest way to create a comma-separated list of string values from an IList<string> or IEnumerable<string> ? ...
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What is the native keyword in Java for?

...ss Main { public native int square(int i); public static void main(String[] args) { System.loadLibrary("Main"); System.out.println(new Main().square(2)); } } Main.c #include <jni.h> #include "Main.h" JNIEXPORT jint JNICALL Java_Main_square( JNIEnv *env, jobj...
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Why are exclamation marks used in Ruby methods?

...e that someone else might have a reference to. Here's a simple example for strings: foo = "A STRING" # a string called foo foo.downcase! # modifies foo itself puts foo # prints modified foo This will output: a string In the standard libraries, there are a lot of places you'll see...
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How to use ng-repeat without an html element

...e, etc.. just like in the good old days when we would concat our html from strings.. right? no. as for flattening the structure into a list, here's another solution: // assume the following structure var structure = [ { name: 'item1', subitems: [ { name: 'it...
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Adjust UILabel height to text

...ks for me. Updated for Swift 4.0 import UIKit func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{ let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude)) label.numberOfLines = 0 label.lineBreakMode = NSLineBreakMode.byWordW...
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Redefine tab as 4 spaces

... It depends on what you mean. Do you want actual tab characters in your file to appear 4 spaces wide, or by "tab" do you actually mean an indent, generated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you...
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proper hibernate annotation for byte[]

...pes: Java primitive, types, wrappers of the primitive types, java.lang.String, java.math.BigInteger, java.math.BigDecimal, java.util.Date, java.util.Calendar, java.sql.Date, java.sql.Time, java.sql.Timestamp, byte[], Byte[], char[], Character[], enums, and any other type that imple...
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How are multi-dimensional arrays formatted in memory?

... unsigned char MultiArray[5][2]={{0,1},{2,3},{4,5},{6,7},{8,9}}; in memory is equal to: unsigned char SingleArray[10]={0,1,2,3,4,5,6,7,8,9}; share ...