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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...nning different versions on different machines could lead to broken tests, etc.) You shouldn't ever have to directly edit the lock file.
Check out Bundler's Purpose and Rationale, specifically the Checking Your Code into Version Control section.
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How do I use jQuery's form.serialize but exclude empty fields
...all :input element types have value attributes even selects and checkboxes etc.
Finally to also remove inputs where the value was '.' (as mentioned in the question):
$("#myForm :input[value!=''][value!='.']").serialize()
In this case juxtaposition, ie placing two attribute selectors next to each...
What is an AngularJS directive?
...g site, you can extend HTML to have "shopping-cart", "coupon", "specials", etc. directives -- whatever words or objects or concepts are more natural to use within the "online shopping" domain, rather than "div"s and "span"s (as @WTK already mentioned).
Directives can also componentize HTML -- group...
Make Vim show ALL white spaces as a character
...l white spaces as a character.
All I found was about tabs, trailing spaces etc.
23 Answers
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How to create a memory leak in Java?
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String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) open streams ( file , network etc... )
try {
BufferedReader br = new BufferedReader(new FileReader(inputFile));
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git reset --hard HEAD leaves untracked files behind
...is script:
git reset --hard HEAD
git clean -f -d
git checkout master
git fetch origin master
git reset --hard origin/master
git pull
git submodule update
git submodule update --init --recursive
git submodule foreach git reset --hard HEAD
git submodule foreach git clean -f -d
git submodule foreach g...
How can I profile Python code line-by-line?
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can anyone show how to actually use this library? The readme teaches how to install, and answers various FAQs, but doesn't mention how to use it after a pip install..
– cryanbhu
Jul 25 '18 at 3:28
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Difference between CouchDB and Couchbase
...e changes feed, CouchApps, two-tier architecture, peer-to-peer replication etc.) then you can either forget about those features or stay with CouchDB.
In any case, make sure to read and understand the Migration to Couchbase for CouchDB Users tutorial before you think about switching.
People often g...
Container View Controller Examples [closed]
...d an example implementation would be nice. Google has turned up nothing at all.
7 Answers
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accepting HTTPS connections with self-signed certificates
...d by a recognized Certificate Authority (CA) like Verisign , GlobalSIgn , etc., listed on the set of Android Trusted Certificates, I keep getting javax.net.ssl.SSLException: Not trusted server certificate .
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