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Equation (expression) parser with precedence?

... the attempt at making a term and instead parse the 11 itself as a factor. My head is already exploding. It's possible with the recursive decent strategy, but there is a better way... The easy (right) way If you use a GPL tool like Bison, you probably don't need to worry about licensing issues sin...
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Use of Initializers vs Constructors in Java

So I've been brushing up on my Java skills as of late and have found a few bits of functionality that I didn't know about previously. Static and Instance Initializers are two such techniques. ...
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Using the HTML5 “required” attribute for a group of checkboxes?

...L5, this really should be the accepted answer! I don't want to implement my own validation library just for one set of checkbox fields on a single form on my site. – JamesWilson Apr 3 '19 at 13:46 ...
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Vertically centering Bootstrap modal window

I would like to center my modal on the viewport (middle) I tried to add some css properties 31 Answers ...
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Cookie overflow in rails application?

... Rails.application.config.session_store :active_record_store, :key => '_my_app_session' UPDATE: If anyone is receiving a null value in column "session_id" violates not-null constraint message in rails 4, there's a workaround in github(not tested). You must to create an initializer with ActiveR...
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'git status' shows changed files, but 'git diff' doesn't

...e, it had something to do with file permissions. Someone with Mac/Linux on my project seems to commit some files with non-default permissions which my Windows git client failed to reproduce. Solution for me was to tell git to ignore file permissions: git config core.fileMode false Other insight: ...
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html (+css): denoting a preferred place for a line break

...ns I either have to live with it, or I need to try to detect long lines on my own in an attempt to defeat the line-breaking algorithm. – Jason S Mar 22 '11 at 14:48 ...
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How do I undo 'git add' before commit?

...staged uncommited version, we can't recover it. I tried to clarify this in my answer below. – leonbloy May 6 '13 at 19:10 9 ...
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Custom HTTP headers : naming conventions

...isions with the small number of official reserved header names. That said, my personal preference and recommendation is to go a step further and do e.g. "X-ACME-ClientDataFoo" (if your widget company is "ACME"). IMHO the IETF spec is insufficiently specific to answer the OP's question, because it ...
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What's the difference between HEAD^ and HEAD~ in Git?

...ct; use warnings; use subs qw/ postorder /; use File::Temp qw/ mkdtemp /; my %sha1; my %parents = ( A => [ qw/ B C / ], B => [ qw/ D E F / ], C => [ qw/ F / ], D => [ qw/ G H / ], F => [ qw/ I J / ], ); ...