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How do I test for an empty string in a Bash case statement?

... 127 The case statement uses globs, not regexes, and insists on exact matches. So the empty string...
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Restore LogCat window within Android Studio

I have recently started to use Android Studio v0.1.1, And i can't seem to find LogCat... Is it gone? Or if not, how can I enable it? ...
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matplotlib Legend Markers Only Once

... This should work: legend(numpoints=1) BTW, if you add the line legend.numpoints : 1 # the number of points in the legend line to your matplotlibrc file, then this will be the new default. [See also scatterpoints, depending on your plot.] API: L...
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What is the scope of variables in JavaScript?

...function f() { function g() { console.log(x) } let x = 1 g() } f() // 1 because x is hoisted even though declared with `let`! Function parameter names Function parameter names are scoped to the function body. Note that there is a slight complexity to this. Functions dec...
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How can I clear the SQL Server query cache?

...ome good explaination. check out it. http://www.mssqltips.com/tip.asp?tip=1360 CHECKPOINT; GO DBCC DROPCLEANBUFFERS; GO From the linked article: If all of the performance testing is conducted in SQL Server the best approach may be to issue a CHECKPOINT and then issue the DBCC DROPCLEANBUF...
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How to clear the canvas for redrawing

... 1338 const context = canvas.getContext('2d'); context.clearRect(0, 0, canvas.width, canvas.height...
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Checking for a dirty index or untracked files with Git

... 14 Answers 14 Active ...
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What really happens in a try { return x; } finally { x = null; } statement?

... .method private hidebysig static int32 Test() cil managed { .maxstack 1 .locals init ( [0] int32 CS$1$0000) L_0000: call int32 Program::SomeNumber() L_0005: stloc.0 L_0006: leave.s L_000e L_0008: call void Program::Foo() L_000d: endfinally L_000e: ldloc.0 ...
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Check if null Boolean is true results in exception

... 173 When you have a boolean it can be either true or false. Yet when you have a Boolean it can be ...
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Node.js - Find home directory in platform agnostic way

... | edited Jun 8 '18 at 13:56 answered Jan 31 '12 at 14:43 ...