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How to get the first element of an array?
...code. It simply shows undefined, since that's the value of a[0], which actually is the first item in the array. If you want it to show foo you should skip all undefined values but it wouldn't be the first item in the array.
– Michiel van der Blonk
Sep 6 '16 at ...
How to tag an older commit in Git?
...epository, but we've made commits since then.
A tag at the beginning would allow us to "roll back" production to a known, stable state.
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Why should I use version control? [closed]
...re "advanced" features like branching and merging let you have multiple parallel lines of development. You can work in two simultaneous features without interference and switch back and forth without much hassle.
You can see "what changed". This may sound basic, but that's something I find myself ch...
Visual Studio window which shows list of methods
...io, is there a window which shows list of methods in the active class? A small window like the Solution Explorer would be great. In Eclipse, there is one.
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How do you know what to test when writing unit tests? [closed]
Using C#, I need a class called User that has a username, password, active flag, first name, last name, full name, etc.
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Are braces necessary in one-line statements in JavaScript?
... expands the statement it will be required.
This same practice follows in all C syntax style languages with bracing. C, C++, Java, even PHP all support one line statement without braces. You have to realize that you are only saving two characters and with some people's bracing styles you aren't eve...
How can I debug my JavaScript code? [closed]
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@NinaScholz Now all browsers come with jetpacks by default !
– oneCoderToRuleThemAll
Jan 31 '17 at 17:59
add a comme...
How to stop a PowerShell script on the first error?
... exit code. Most follow the UNIX standard of 0 indicating success but not all do. Check out the CheckLastExitCode function in this blog post. You might find it useful.
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How does one make a Zip bomb?
This question about zip bombs naturally led me to the Wikipedia page on the topic. The article mentions an example of a 45.1 kb zip file that decompresses to 1.3 exabytes.
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Is a GUID unique 100% of the time?
...ge that the probability of the same number being
generated twice is very small. For
example, consider the observable
universe, which contains about 5×1022
stars; every star could then have
6.8×1015 universally unique GUIDs.
From Wikipedia.
These are some good articles on how a GUID is made (for ...