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What does the 'static' keyword do in a class?
...taticField;
private boolean instanceField;
public static void main(String[] args) {
// a static method can access static fields
staticField = true;
// a static method can access instance fields through an object reference
Example instance = new Example();
...
How to know/change current directory in Python shell?
... ^ SyntaxError: EOL while scanning string literal
– AAI
Sep 4 '16 at 0:31
1
...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...o.plist file, and changed this bit:
<key>JVMVersion</key>
<string>1.6*</string>
to:
<key>JVMVersion</key>
<string>1.8*</string>
After launching, everything was golden.
sh...
Disable LESS-CSS Overwriting calc() [duplicate]
...
Using an escaped string (a.k.a. escaped value):
width: ~"calc(100% - 200px)";
Also, in case you need to mix Less math with escaped strings:
width: calc(~"100% - 15rem +" (10px+5px) ~"+ 2em");
Compiles to:
width: calc(100% - 15rem + 1...
What is the difference between an ordered and a sorted collection?
...ived from the elements themselves. For example, if you have a SortedSet<String> then the Strings will be sorted according to the lexicographical sort order.
An ordered Collection can be sorted but doesn't have to be (e.g. after using Collections.sort()) when the external ordering is identical...
Relative paths in Python
...
os.path.dirname(__file__) can give an empty string, use os.path.dirname(os.path.abspath(__file__)) instead
– Dmitry Trofimov
Mar 10 '15 at 22:03
15
...
Building big, immutable objects without using constructors having long parameter lists
...method on a case class. Here's some example code:
case class Person(name: String, age: Int, children: List[Person] = List()) {
def addChild(p: Person) = copy(children = p :: this.children)
}
val parent = Person(name = "Bob", age = 55)
.addChild(Person("Lisa", 23))
.addChild(Person("Peter", 1...
Retrieve a Fragment from a ViewPager
...ersion.
The method thats recreated for this solution is
private static String makeFragmentName(int viewId, long id) {
return "android:switcher:" + viewId + ":" + id;
}
A HAPPY PATH: ViewPager.instantiateItem()
A similar approach to getItem() above but non-lifecycle-breaking is to this is ...
Bash Templating: How to build configuration files from templates with Bash?
...$ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
#!/bin/bash
while read -r li...
Test or check if sheet exists
...ll the sheets until you find a match.
Function WorksheetExists(shtName As String, Optional wb As Workbook) As Boolean
Dim sht As Worksheet
If wb Is Nothing Then Set wb = ThisWorkbook
On Error Resume Next
Set sht = wb.Sheets(shtName)
On Error GoTo 0
WorksheetExists = Not sht...