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JavaScript check if variable exists (is defined/initialized)
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884
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Trying to embed newline in a variable in bash [duplicate]
... edited May 23 '17 at 12:03
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answered Feb 4 '12 at 9:40
olibreolibre
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In C#, what is the difference between public, private, protected, and having no access modifier?
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Access modifiers
From docs.microsoft.com:
public
The type or member can be accessed by any other code in the same assembly or another assembly that references it.
private
The type or member can only be accessed by code in the same class or struct.
protected
The...
Can a constructor in Java be private?
...or private is needed to ensure that only the permitted types are used. The common private constructor helps code reuse.
public class MyClass {
private final String value;
private final String type;
public MyClass(int x){
this(Integer.toString(x), "int");
}
public...
Can we call the function written in one JavaScript in another JS file?
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getApplication() vs. getApplicationContext()
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Default text which won't be shown in drop-down list
...ng like:
<option selected disabled>Choose here</option>
The complete markup should be along these lines:
<select>
<option selected disabled>Choose here</option>
<option value="1">One</option>
<option value="2">Two</option>
<...
What's the best practice to round a float to 2 decimals? [duplicate]
...that you want. Now you need two, but maybe you would like to try with 3 to compare results, and this function gives you this freedom.
/**
* Round to certain number of decimals
*
* @param d
* @param decimalPlace
* @return
*/
public static float round(float d, int decimalPlace) {
BigDecimal bd...
Find out which remote branch a local branch is tracking
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Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade throug...
.NET unique object identifier
... anything like a string etc. The value of the reference will change during compaction (as you've seen), but every previous value A will be changed to value B, so as far as safe code is concerned it's still a unique ID.
If the objects involved are under your control, you could create a mapping using...