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How to check the version before installing a package using apt-get?
...some packages (may not installed) get install straightaway. So I think for new Linux user its better to use apt policy.
– Yasiru G
Oct 25 '19 at 8:18
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
newCachedThreadPool() versus newFixedThreadPool()
8 Answers
8
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Render basic HTML view?
...s. Sure its more work than most people would do, but it's good with people new to node. It's easy to understand
– Naman Goel
Oct 21 '12 at 17:22
5
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What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...orld!")
“SyntaxError: Missing parentheses in call to 'print'” is a new error message that was added in Python 3.4.2 primarily to help users that are trying to follow a Python 2 tutorial while running Python 3.
In Python 3, printing values changed from being a distinct statement to being an ...
Regular expression for matching latitude/longitude coordinates?
...)$";
@Test
public void latitudeTest(){
DecimalFormat df = new DecimalFormat("#.######");
df.setRoundingMode(RoundingMode.UP);
double step = 0.01;
Double latitudeToTest = -90.0;
while(latitudeToTest <= 90.0){
boolean result = df.format(...
Conditional HTML Attributes using Razor MVC3
... to use Html helper. In your view it can be look like:
@{
var htmlAttr = new Dictionary<string, object>();
htmlAttr.Add("id", strElementId);
if (!CSSClass.IsEmpty())
{
htmlAttr.Add("class", strCSSClass);
}
}
@* ... *@
@Html.TextBox("somename", "", htmlAttr)
If this way will be use...
Add days to JavaScript Date
...te one with:-
Date.prototype.addDays = function(days) {
var date = new Date(this.valueOf());
date.setDate(date.getDate() + days);
return date;
}
var date = new Date();
console.log(date.addDays(5));
This takes care of automatically incrementing the month if necessary. For exam...
Design Pattern for Undo Engine
...ive for.
Implementing undo/redo is simple: Do your action and establish a new checkpoint; rollback all object versions to the previous checkpoint.
It takes some discipline in the code, but has many advantages: you don't need deep copies since you are doing differential storage of the model state; ...
Android: why is there no maxHeight for a View?
...fItem * numberOfItens;
// or
// if the layoutParams is null, then create a new one.
scrollView.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, heightOfItem * numberOfItens));
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One-liner to take some properties from object in ES 6
...ound destructure assignment of original object, then assigning each into a new object.
– duhseekoh
Mar 7 '18 at 23:08
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