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How can I add a key/value pair to a JavaScript object?

... property. The second form is used when the name of the property is dynamically determined. Like in this example: var getProperty = function (propertyName) { return obj[propertyName]; }; getProperty("key1"); getProperty("key2"); getProperty("key3"); A real JavaScript array can be construct...
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Fitting empirical distribution to theoretical ones with Scipy (Python)?

...error is determined. The distribution with the least error is returned. All Distributions Best Fit Distribution Example Code %matplotlib inline import warnings import numpy as np import pandas as pd import scipy.stats as st import statsmodels as sm import matplotlib import matplotlib.pypl...
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Python `if x is not None` or `if not x is None`?

...d it at a glance, where the slightly less common syntax will take a couple extra brain cycles to parse. Don't be different just for the sake of being different, at least in this field. share | impr...
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate

...he latter for indicating database schema details. You're just getting some extra (and welcome!) help from Hibernate on the validation annotations. share | improve this answer | ...
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How to use C++ in Go

In the new Go language, how do I call C++ code? In other words, how can I wrap my C++ classes and use them in Go? 12 Answ...
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Mathematical functions in Swift

... UIKit, Cocoa, Foundation, all valid choices. – erdekhayser Nov 27 '14 at 20:26 ...
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CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术

...io:0){.bb{background-color:#f1ee18}}{} /* Safari(Chrome) 有效 */ @media all and (min-width: 0px){ .bb{background-color:#f1ee18;/*opera and Safari(Chrome) and firefox*/ background-color:#4cac70\0;}/* 仅 Opera 有效 */ }{} .bb, x:-moz-any-link, x:default{background-color:#4eff00;/*IE7、Firef...
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Get a random boolean in python?

... but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then bool(random.getrandbits(1)) is still about twice as fast as random.choice([True, False]) Both solutions need to import random If utmost speed isn't to priority then random.choic...
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How to calculate dp from pixels in android programmatically [duplicate]

...(); getWindowManager().getDefaultDisplay().getMetrics(dm); String str_ScreenSize = "The Android Screen is: " + dm.widthPixels + " x " + dm.heightPixels; TextView mScreenSize = (TextView) findViewById(R.id.strScreenS...
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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

... index, rule in ipairs(phoenix["rule"]) do if type(rule["regex"]) == "string" then rule["regex"] = {rule["regex"], ""} end local regex, options = table.unpack(rule["regex"]) if ngx.re.match(request_uri_without_args, regex, options) then local default = phoen...