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JavaScript - get the first day of the week from current date
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by the way, d.setDate is mutable, it changes the "d" itself
– Ayyash
Dec 13 '18 at 8:55
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Using CSS td width absolute, position
...sed on the width of the entire table. You can get around this easily just by having a display: block element inside of the table cell itself whose width you specify, e.g
<td><div style="width: 300px;">wide</div></td>
This shouldn't make much of a difference if the <tab...
What's the difference between String(value) vs value.toString()
...ng function
//OR
"hello " + obj.toString(); //calling toString directly
By the way if you want to treat this object as a number it should has a .valueOf() function defined in it.
what if we have both in one object?
if we want to treat this object as a string => use .toString()
i...
Position Relative vs Absolute?
...fset from the right side of the window (or its position overriding parent) by 2px. The same is true for the other three.
Relative Positioning
position: relative;
Relative positioning uses the same four positioning properties as absolute positioning. But instead of basing the position of the eleme...
Is there a W3C valid way to disable autocomplete in a HTML form?
... The
missing value default is the on state. The off state indicates that by
default, form controls in the form will have their autofill field name
set to off; the on state indicates that by default, form controls in
the form will have their autofill field name set to "on".
Reference: W3
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How to prevent rm from reporting that a file was not found?
... of -f is to force the removal of files that would
not be removed using rm by itself (as a special case, it "removes"
non-existent files, thus suppressing the error message).
You can also just redirect the error message using
$ rm file.txt 2> /dev/null
(or your operating system's equivalent)....
android edittext onchange listener
... setContentView(R.layout.main);
yourEditText = (EditText) findViewById(R.id.yourEditTextId);
yourEditText.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
// you can call or do what you want with your EditText here
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Sharing Test code in Maven
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We solved this by making a maven project with test code as the src/main/java and adding the following dependency to projects:
<dependency>
<groupId>foo</groupId>
<artifactId>test-base</artifac...
How to make Java honor the DNS Caching Timeout?
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Per Byron's answer, you can't set networkaddress.cache.ttl or networkaddress.cache.negative.ttl as System Properties by using the -D flag or calling System.setProperty because these are not System properties - they are Security p...
What is the Scala annotation to ensure a tail recursive function is optimized?
...ler will optimise.
You will then get a warning if they are not optimised by the compiler.
In Scala 2.7 or earlier, you will need to rely on manual testing, or inspection of the bytecode, to work out whether a method has been optimised.
Example:
you could add a @tailrec annotation so t...