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How to install CocoaPods?
...ll but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the steps one by one? How to install or demo.
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Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
...ing the state of input fields.
Alternatively, you can just "hard-refresh" by clicking CTRL+F5. This will completely reset the current page.
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NodeJS - Error installing with NPM
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Wouldn't this be solved by having a not-VS-dependent C++ compiler installed on Windows? Is such a thing impossible to find? I'm confused.
– jcollum
Jul 31 '15 at 20:59
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Google Guava vs. Apache Commons [closed]
...pendencies. Edit: This particular "advantage" has been partially subverted by now, since many new libraries actually depend on Guava and not on Apache Commons Collections.
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How to do associative array/hashing in JavaScript
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var dictionary = {};
JavaScript allows you to add properties to objects by using the following syntax:
Object.yourProperty = value;
An alternate syntax for the same is:
Object["yourProperty"] = value;
If you can, also create key-to-value object maps with the following syntax:
var point = { x:3...
Java: How to Indent XML Generated by Transformer
I'm using Java's built in XML transformer to take a DOM document and print out the resulting XML. The problem is that it isn't indenting the text at all despite having set the parameter "indent" explicitly.
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How to change the background color of a UIButton while it's highlighted?
...called only when you tap the button, but not during the initial layout! So by default there is no colour until you touch the button. So to make it work you also need to explicitly call isHighlighted = false somewhere in the beginning (on inititialization for instance).
– Dmitri...
Print number of keys in Redis
...t the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version:6.0.6
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:b63575307aaffe0a
redis_mode:standalone
os:Linux 5.4.0-1017-aw...
AttributeError: 'module' object has no attribute 'tests'
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Use:
./manage.py shell
followed by
import myapp.tests
to find the nature of the import error.
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Adding minutes to date time in PHP
... the form of P{y}Y{m1}M{d}DT{h}H{m2}M{s}S where the {*} parts are replaced by a number value indicating how long the duration is.
For example, P1Y2DT5S means 1 year, 2 days, and 5 seconds.
In the example above, we are providing PT5M (or 5 minutes) to the DateInterval constructor.
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