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Checking length of dictionary object [duplicate]
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What I do is use Object.keys() to return a list of all the keys and then get the length of that
Object.keys(dictionary).length
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Formatting “yesterday's” date in python
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If you happen to be working with pandas, you can as well use: print((pd.to_datetime('Today') - pd.Timedelta('1 days')).strftime('%m%d%y'))
– etna
Oct 2 '17 at 7:39
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Passing an array by reference
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It's not right to left, it's inside out, and [] binds tighter than &.
– philipxy
May 6 '17 at 3:10
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Show a popup/message box from a Windows batch file
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I would make a very simple VBScript file and call it using CScript to parse the command line parameters.
Something like the following saved in MessageBox.vbs:
Set objArgs = WScript.Arguments
messageText = objArgs(0)
MsgBox messageText
Which you would call like:
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Best way to store a key=>value array in JavaScript?
What's the best way to store a key=>value array in javascript, and how can that be looped through?
7 Answers
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Can I get CONST's defined on a PHP class?
I have several CONST's defined on some classes, and want to get a list of them. For example:
12 Answers
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How to enable PHP's openssl extension to install Composer?
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It is possible that WAMP and Composer are using different PHP installations. Composer will use the PHP set in the PATH environment variable.
If you want to enable the openssl extension to install Composer, first you need to check the location of th...
Why does the Visual Studio editor show dots in blank spaces?
... Ah, that explains it! I'd tried to press Ctrl+E, D but missed and hit S instead... Thanks!
– Jon Artus
Feb 21 '11 at 9:05
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How can I get the length of text entered in a textbox using jQuery?
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For me its not text box its a span tag and this worked for me.
var len = $("span").text().length;
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Call one constructor from another
...adonly field needs to be set, the code which sets it could call the method and assign the field using the return value, but any number of fields may be written directly with ref. Also, in case it matters, changes made via the ref parameter take place immediately, even before the function returns, w...