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How do I calculate the date in JavaScript three months prior to today?

...pet: var d = new Date("January 14, 2012"); console.log(d.toLocaleDateString()); d.setMonth(d.getMonth() - 3); console.log(d.toLocaleDateString()); There are some caveats... A month is a curious thing. How do you define 1 month? 30 days? Most people will say that one month ago me...
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Looping through localStorage in HTML5 and JavaScript

...u could store a JSON-serialized array: localStorage.setItem("words", JSON.stringify(["Lorem", "Ipsum", "Dolor"])); The draft spec claims that any object that supports structured clone can be a value. But this doesn't seem to be supported yet. EDIT: To load the array, add to it, then store: var...
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How do you loop in a Windows batch file?

... (filenameset) DO command or FOR /F ["options"] %%parameter IN ("Text string to process") DO command syntax-FOR-Command Results FOR /F ["options"] %%parameter IN ('command to process') DO command It Take a set of data Make a FOR Parameter %%G equal to some part of that data Perform a co...
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Five equal columns in twitter bootstrap

... Update 2019 Bootstrap 4.1+ Here are 5 equal, full-width columns (no extra CSS or SASS) using the auto-layout grid: <div class="container-fluid"> <div class="row"> <div class="col">1</div> <div class="col">2</div> <div class="...
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Get an OutputStream into a String

What's the best way to pipe the output from an java.io.OutputStream to a String in Java? 5 Answers ...
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detach all packages while working in R

... invisible(suppressMessages(suppressWarnings(lapply(c("gsl","fBasics","stringr","stringi","Rmpfr"), require, character.only = TRUE)))) invisible(suppressMessages(suppressWarnings(lapply(names(sessionInfo()$loadedOnly), require, character.only = TRUE)))) sessionInfo() #the above is a...
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How do I execute inserts and updates in an Alembic upgrade script?

... id = sa.Column(sa.Integer, primary_key=True) name = sa.Column(sa.String, nullable=False) team_name = sa.Column('team', sa.String, nullable=False) team_id = sa.Column(sa.Integer, sa.ForeignKey('teams.id'), nullable=False) team = orm.relationship('Team', backref='players') cla...
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Cycles in family tree software

...ernally should be going to A on presentation of data. This will make some extra work for the user, but I guess IT would be relatively easy to implement and maintain. Building from that, you could work on code synching A and B to avoid inconsistencies. This solution is surely not perfect, but is a...
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?

...as the caveats that it is only supported for basic types, such as ints and strings, and furthermore if a bindparam() without a pre-set value is used directly, it won’t be able to stringify that either. The documentation also issues this warning: Never use this technique with string content r...
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How to Calculate Execution Time of a Code Snippet in C++

...without Boost (tested on macOS/iOS): #include <chrono> #include <string> #include <iostream> #include <math.h> #include <unistd.h> class NLTimerScoped { private: const std::chrono::steady_clock::time_point start; const std::string name; public: NLTimerSco...