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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...
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?
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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...
'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: ...
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 ...
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 / ],
);
...
