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Ruby combining an array into one string
...y solution:
@arr = ['<p>Hello World</p>', '<p>This is a test</p>']
@arr.reduce(:+)
=> <p>Hello World</p><p>This is a test</p>
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Does a UNIQUE constraint automatically create an INDEX on the field(s)?
... you should not worry about them until you actually run into them.
As for testing index usage you should first fill your table with some data to make optimizer think it's actually worth to use that index.
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How to commit no change and new message?
...documentation (via DavidNeiss) including after-the-fact data about passing tests or lint (via Robert Balicki).
To test git commands without generating arbitrary changes (via Vaelus).
To re-create a deleted bare repository using gitolite (via Tatsh).
To arbitrarily create a new commit, such as for re...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
...blem just by changing UTF-16LE to UTF-16 without removig the //U option. I confirmed it.
– Tsutomu
Sep 14 '13 at 3:51
3
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Example of multipart/form-data
... -F "file1=@a.html" -F "file1=@a.txt" localhost:8000
You can do multiple tests with:
while true; do printf '' | nc -l localhost 8000; done
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Java 8: performance of Streams vs Collections
...n't think changing LinkedList for ArrayList would change anything, as both tests should add to it, the times should not be affected. Anyway, could you please explain the results? It's hard to tell what you are measuring here (units say ns/op, but what is considered an op?).
– M...
Locate the nginx.conf file my nginx is actually using
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Running nginx -t through your commandline will issue out a test and append the output with the filepath to the configuration file (with either an error or success message).
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Linq to SQL how to do “where [column] in (list of values)”
... me using Concat. The Concat method performed slightly better in a limited test, but it's a hassle and I'll probably just stick with Contains, or maybe I'll write a helper method to do this for me. Either way, here's another option if anyone is interested:
The Method
// Given an array of id's
var ...
How to use ADB to send touch events to device using sendevent command?
...ce using AndroidDebugBridge, so that I can do some basic automation for UI tests. I have followed the discussion in LINK . I am able to use sendevent to simulate touch on emulators, but unable to do the same on a device.
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instanceof Vs getClass( )
... == ... is different is that they are doing different things.
instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype.
getClass() == ... tests whether the types are identical.
So the recommendation is to ig...