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convert '1' to '0001' in JavaScript [duplicate]
...ve seen on SO before):
var str = "" + 1
var pad = "0000"
var ans = pad.substring(0, pad.length - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed):
That ...
How to get a password from a shell script without echoing
... the standard input and split it into fields.
...
-p prompt output the string PROMPT without a trailing newline before
attempting to read
...
-s do not echo input coming from a terminal
sh...
Why does javascript map function return undefined?
...
You aren't returning anything in the case that the item is not a string. In that case, the function returns undefined, what you are seeing in the result.
The map function is used to map one value to another, but it looks you actually want to filter the array, which a map function is not s...
MSSQL Error 'The underlying provider failed on Open'
...ng to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file.
40 ...
PowerShell and the -contains operator
...
The -Contains operator doesn't do substring comparisons and the match must be on a complete string and is used to search collections.
From the documentation you linked to:
-Contains
Description: Containment operator. Tells whether a collection of referenc...
HTML Form: Select-Option vs Datalist-Option
...ween that and a select box:
A <datalist> fed text box has a single string for both display label and submit. A select box can have a different submit value vs. display label <option value='ie'>Internet Explorer</option>.
A <datalist> fed text box does not support the <o...
Get host domain from URL?
how to get host domain from a string URL?
9 Answers
9
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How to set UICollectionViewDelegateFlowLayout?
...and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:)
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Can Mockito stub a method without regard to the argument?
... the mock.
Here is an example.
public class MyPojo {
public MyPojo( String someField ) {
this.someField = someField;
}
private String someField;
@Override
public boolean equals( Object o ) {
if ( this == o ) return true;
if ( o == null || getClass() !...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
...
IO.popen(command, options) { |f| output = f.read }
returning an empty string in execjs\external_runtine.rb (line 173 in version 1.4.0). This is why the error message contains no text. The changes suggested did not work for me. I changed UTF-16LE to UTF-8, but it still returned an empty string. ...