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Why is null an object and what's the difference between null and undefined?
...defined)
You: What is name? (*)
JavaScript: name? What's a name? I don't know what you're talking about. You haven't ever mentioned any name before. Are you seeing some other scripting language on the (client-)side?
name = null;
You: What is name?
JavaScript: I don't know.
In short; undefined is w...
Pandas index column title or name
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As of now (0.16) it does not work. Or rather - it does work, but as soon as DataFrame gets modifies, it erases index name.
– Piotr Migdal
Apr 11 '15 at 20:37
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Clear form field after select for jQuery UI Autocomplete
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Fantastic! I feel silly though. Now I know, and knowing is half the battle.
– Jon F Hancock
Apr 1 '10 at 16:29
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regex for zip-code
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@ProVega: Reading the comments on the (now deleted) answer you linked to, that appears to be incorrect. For example, 00544 is a valid zip code; 544 is not.
– Keith Thompson
Dec 5 '14 at 20:59
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Nested classes' scope?
.... The documentation for Py3 is also slightly different reflecting this. It now says "The scope of names defined in a class block is limited to the class block; it does not extend to the code blocks of methods – this includes comprehensions and generator expressions since they are implemented using...
How to properly reuse connection to Mongodb across NodeJs application and modules
... I tried this code but I got null when do mongoUtil.getDb(), I don't know why is that.
– Keming
Jan 17 '18 at 19:44
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How to use OpenSSL to encrypt/decrypt files?
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NOTE: PBKDF2 is now part of the openssl enc (finally). However the iteration count is extrememly low, and needs to be set to a much higher level. If that count is randomised, then you also get a extra level of 'saltiness' to your encryption...
Writing outputs to log file and console
...It worked just as you suggested. But I didn't understand tee /dev/fd/3. I know that tee writes message to log file and console, but I didn't exactly understand the /dev/fd/3 used after tee
– abinash shrestha
Aug 28 '13 at 5:33
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NuGet Package Manager errors when trying to update
... 2.0 Release Notes: (http://docs.nuget.org/docs/release-notes/nuget-2.0)
Known Installation Issue
If you are running VS 2010 SP1, you might run into an installation error when attempting to upgrade NuGet if you have an older version installed.
The workaround is to simply uninstall NuGet and then ...
gulp globbing- how to watch everything below directory
... I would be happy to accept your answer and add it to the gulp docs. Right now you have to go to the docs for one of gulp's submodules, which then gives you a list of manpages. It would be good to have a direct reference, especially for designers using gulp.
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