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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?

...swered Jun 17 '16 at 15:20 James_picJames_pic 2,9321414 silver badges2323 bronze badges ...
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Callback functions in Java

... answered Nov 6 '14 at 10:02 Juh_Juh_ 10k44 gold badges3939 silver badges6666 bronze badges ...
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How to use string.replace() in python 3.x

... The "re" (regular expression) module has alternatives for (some? all?) deprecated string functions. In this case, re.sub(). – ToolmakerSteve Dec 13 '13 at 22:19 9 ...
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Is it possible to rotate a drawable in the xml description?

..." android:pivotY="50%" android:drawable="@drawable/mainmenu_background"> </rotate> The fromDegrees is important. Basically this is a rotate animation defined in XML. With fromDegrees you define the initial rotated state. The toDegrees is the final rotated state of the dra...
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How to check if a number is between two values?

... edited Sep 3 '19 at 10:43 JuicY_Burrito 35522 silver badges1313 bronze badges answered Feb 5 '13 at 22:58 und...
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How can one display images side by side in a GitHub README.md?

...ssible to add a title to each of the images? – recipe_for_disaster Jan 12 at 7:27 This is perfect! As it allows to spe...
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How to make a promise from setTimeout

...imer = 0; let reject = null; const promise = new Promise((resolve, _reject) => { reject = _reject; timer = setTimeout(resolve, delay, value); }); return { get promise() { return promise; }, cancel() { if (timer) { clearTi...
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How can I get column names from a table in Oracle?

...u have 'no rows selected' then you could try to change USER_TAB_COLUMNS to all_tab_columns. To be 100% sure about result you could speficy owner. – Dracontis Feb 25 '15 at 9:01 2 ...
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How to save/restore serializable object to/from file?

... No need to call the close method on a reader within your using block. Dispose() is implicit and will take place even if an exception is raised within the block before the explicit Close(). Very useful block of code. ...
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lsof survival guide [closed]

... To show all networking related to a given port: lsof -iTCP -i :port lsof -i :22 To show connections to a specific host, use @host lsof -i@192.168.1.5 Show connections based on the host and the port using @host:port lsof -i@...