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What do the different readystates in XMLHttpRequest mean, and how can I use them?
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The full list of readyState values is:
State Description
0 The request is not initialized
1 The request has been set up
2 The request has been sent
3 The request is in process
4 The request is complete
(from https://www.w3schools.com/js/js_ajax_http_respo...
TCP: can two different sockets share a port?
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answered Jun 20 '12 at 23:32
Remy LebeauRemy Lebeau
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All falsey values in JavaScript
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Falsey values in JavaScript
false
Zero of Number type: 0 and also -0, 0.0, and hex form 0x0 (thanks RBT)
Zero of BigInt type: 0n and -0n (new in 2020, thanks GetMeARemoteJob)
"", '' and `` - strings of length 0
null
undefined
NaN
document.all (in HTML browsers only)
This is a ...
python pandas remove duplicate columns
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409
There's a one line solution to the problem. This applies if some column names are duplicated an...
Comparing two byte arrays in .NET
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edited Sep 4 '08 at 8:08
answered Sep 4 '08 at 7:53
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Custom numeric format string to always display the sign
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301
Yes, you can.
There is conditional formatting. See Conditional formatting in MSDN
eg:
strin...
Build tree array from flat array in javascript
...on has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Set time part of DateTime in ruby
...e a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that?
4 Answers
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Specify pane percentage in tmuxinator project
...r use with select-layout. For example:
$ tmux list-windows
0: ksh [159x48]
layout: bb62,159x48,0,0{79x48,0,0,79x48,80,0}
$ tmux select-layout bb62,159x48,0,0{79x48,0,0,79x48,80,0}
tmux automatically adjusts the size of the layout for the current window
size. Not...