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Most efficient way to check for DBNull and then assign to a variable?

... Old now, but I've recently seen a number of cases where this was exactly what the profiler said to fix. Imagine evaluating large data sets, where every cell needs to make this check. Optimizing that can can reap big rewards. But ...
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Mockito: List Matchers with generics

...emoved in Mockito 3. Deprecated because Java 8 compiler can infer the type now. – Kip Nov 29 '16 at 0:02 @artbristol d...
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How to programmatically take a screenshot on Android?

...e code (running in an Activity): private void takeScreenshot() { Date now = new Date(); android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now); try { // image naming and path to include sd card appending name you choose for file String mPath = Environment.g...
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?

...think of is nested if's: if (cond1) if (cond2) doSomething(); Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So: if (cond1) if (cond2) doSomething(); else doSomethingElse(); which is obviously wrong, since the else associates with the ...
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How to convert a DOM node list to an array in Javascript?

...obj[i]; } return array; } UPDATE: As other answers suggest, you can now can use in modern environments the spread syntax or the Array.from method: const array = [ ...nodeList ] // or Array.from(nodeList) But thinking about it, I guess the most common use case to convert a NodeList to an Ar...
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How can I get a user's media from Instagram without authenticating as a user?

... @MattFletcher it's even more stupid now, one must go through app permission review, and not sure if it's even feasible since this use case "showing client's own feed in their own webpage" is not one of the use cases. Duh, these restrictions suck. ...
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Should “node_modules” folder be included in the git repository

...doing so as listed in context of accepted answer are pretty outdated as of now. Published packages can't be revoked from npm registry that easily anymore. So you don't have to fear loosing dependencies your project has relied on before. Putting package-json.lock file in VCS is helping with frequen...
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Why is semicolon allowed in this python snippet?

...limit statements if you wish to put multiple statements on the same line. Now, why is this allowed? It's a simple design decision. I don't think Python needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language. ...
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Homebrew install specific version of formula?

...Library/Formula/postgresql.rb $ brew install postgresql # … installing Now that the older postgresql version is installed, we can re-install the latest formula in order to keep our repository clean: $ git checkout -- Library/Formula/postgresql.rb brew switch is your friend to change between t...
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Are braces necessary in one-line statements in JavaScript?

... !if } The thinking goes that if you always have the brackets then you know to insert other statements inside that block. share | improve this answer | follow ...