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Is there a JavaScript strcmp()?
...then I am a little puzzled that == is used and not === since the latter avoid type conversion and hence is that micro second faster.
– Tokimon
Jun 30 '14 at 8:45
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Chrome Dev Tools - “Size” vs “Content”
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@NiCkNewman Yes Size is the actual data size (not bandwidth btw) across the wire (Headers+Content combined). Content is the size of the inflated, uncompressed Content (e.g. if it was gziped) only (Headers excluded!).
– Israel
May 24 '15 at 1...
How to save a git commit message from windows cmd?
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You are inside vim. To save changes and quit, type:
<esc> :wq <enter>
That means:
Press Escape. This should make sure you are in command mode
type in :wq
Press Return
An alternative that stdcall in the comments menti...
How to use PHP OPCache?
...s will be parsed again on the next visit.
opcache_reset();
opcache_invalidate():
Invalidates a specific cached script. Meaning the script will be parsed again on the next visit.
opcache_invalidate('/path/to/script/to/invalidate.php', true);
Maintenance and reports
There are some GUI's create...
Why does one hot encoding improve machine learning performance?
...ill get confused without one-hot encoding. With the naive encoding and Euclidean distance, the distance between French and US is 1. The distance between US and UK is 2. But with the one-hot encoding, the pairwise distances between [1, 0, 0], [0, 1, 0] and [0, 0, 1] are all equal to √2.
This is no...
Responsive iframe using Bootstrap
...div>
Option 2
If you don't want to wrap your iframes, you can use FluidVids https://github.com/toddmotto/fluidvids. See demo here: http://toddmotto.com/labs/fluidvids/
<!-- fluidvids.js -->
<script src="js/fluidvids.js"></script>
<script>
fluidvids.init(...
“unadd” a file to svn before commit
I was in the middle of doing a recursive svn add/commit, and a folder which did not have the proper ignore properties was included. I've got about 100 uploaded binary files versioned now, but I haven't committed yet.
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raw vs. html_safe vs. h to unescape html
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Considering Rails 3:
html_safe actually "sets the string" as HTML Safe (it's a little more complicated than that, but it's basically it). This way, you can return HTML Safe strings from helpers or models at will.
h can only be ...
git diff renamed file
...een HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
--- a/a.txt
+++ b/a.t...
Vagrant reverse port forwarding?
...rKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o LogLevel=ERROR -o IdentitiesOnly=yes -i ~/.vagrant.d/insecure_private_key vagrant@127.0.0.1
SSH supports forwarding ports in the direction you want with the -R guestport:host:hostport option. So, if you wanted to connect to port 12345 on the ...