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Find the last element of an array while using a foreach loop in PHP
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$numItems = count($arr) trick is not needed and reduces readability - in PHP there is no performance penalty for accessing count($arr) each time. The reason is that items count is internally saved as special field in the array header and is not calculated on-the-fly. T...
Passing variables to the next middleware using next() in Express.js
...ant to pass some variable from the first middleware to another middleware, and I tried doing this, but there was " req.somevariable is a given as 'undefined'".
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...ase of an object that may have nil properties while it's being constructed and configured, but is immutable and non-nil afterwards (NSImage is often treated this way, though in its case it's still useful to mutate sometimes). Implicitly unwrapped optionals would clean up its code a good deal, with r...
Reading settings from app.config or web.config in .NET
...you very much! very straight forward answer. I was building a console app! and this answer save the day!
– PatsonLeaner
May 29 '19 at 6:36
2
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git-upload-pack: command not found, when cloning remote Git repo
..., try this:
ssh you@remotemachine echo \$PATH
(That works in Bash, Zsh, and tcsh, and probably other shells too.)
If the path it gives back doesn't include the directory that has git-upload-pack, you need to fix it by setting it in .bashrc (for Bash), .zshenv (for Zsh), .cshrc (for tcsh) or equi...
How to compare two NSDates: Which is more recent?
I am trying to achieve a dropBox sync and need to compare the dates of two files. One is on my dropBox account and one is on my iPhone.
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getApplicationContext(), getBaseContext(), getApplication(), getParent()
...pplicationContext() Application context is associated with the Application and will always be the same throughout the life cycle.
getBasecontext() should not be used, just use Context instead of it which is associated with the activity and can be destroyed when the activity is destroyed.
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Clone private git repo with dockerfile
...tall -y git
# Make ssh dir
RUN mkdir /root/.ssh/
# Copy over private key, and set permissions
# Warning! Anyone who gets their hands on this image will be able
# to retrieve this private key file from the corresponding image layer
ADD id_rsa /root/.ssh/id_rsa
# Create known_hosts
RUN touch /root/....
How can one change the timestamp of an old commit in Git?
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Use git filter-branch with an env filter that sets GIT_AUTHOR_DATE and GIT_COMMITTER_DATE for the specific hash of the commit you're looking to fix.
This will invalidate that and all future hashes.
Example:
If you wanted to change the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932...
Windows threading: _beginthread vs _beginthreadex vs CreateThread C++
...ulate that MS originally intended the _begin routines to be internal calls and CreateThread was supposed to be the API function everyone would call. Another potential explanation is that MS has a long & glorious history of ignoring the standard & making very bad decisions about naming thing...