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Test whether a glob has any matches in bash

... If find feels like overkill and the number of files likely to match is small, use stat: if stat -t glob* >/dev/null 2>&1 then echo found else echo not found fi share | improve ...
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Difference between style = “position:absolute” and style = “position:relative”

...ive positioning, on the other hand, is just like stating no positioning at all, but the left, right, top and bottom attributes "nudge" the element out of their normal layout. The rest of the elements on the page still get laid out as if the element was in its normal spot though. For example, if I h...
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?

...ll be faster. ContainsKey uses the same check as TryGetValue, which internally refers to the actual entry location. The Item property actually has nearly identical code functionality as TryGetValue, except that it will throw an exception instead of returning false. Using ContainsKey followed by t...
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Generate a random point within a circle (uniformly)

...triangle ABC, where |AB|=|BC|? Let's make this easier by extending to a parallelogram ABCD. It's easy to generate points uniformly in ABCD. We uniformly pick a random point X on AB and Y on BC and choose Z such that XBYZ is a parallelogram. To get a uniformly chosen point in the original triangle we...
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

...stage if(InvokeRequired) { // after we've done all the processing, this.Invoke(new MethodInvoker(delegate { // load the control with the appropriate data })); return; } } } ...
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How to permanently remove few commits from remote branch

...ushing it) This SO answer illustrates the danger of such a command, especially if people depends on the remote history for their own local repos. You need to be prepared to point out people to the RECOVERING FROM UPSTREAM REBASE section of the git rebase man page With Git 2.23 (August 2019, nine...
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How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]

... @Capsule - excellent question. From the docs it looks like you can use callback: function (url, result, key) {...} which fires on load or timeout. The default timeout can be overridden. I can't say I've tried it but looks like it might be worth the awkwardness ;) – johnhunte...
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How do I install a NuGet package into the second project in a solution?

I'm currently working on a solution that initially contained one project ( My.First.Project.Name ). I've installed Castle Windsor by executing: ...
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Visual Studio 2013 hangs when opening a solution

I installed VS2013 (v12.0.21005.1) and added ReSharper 8 (v8.0.2000.2660) a day or two ago. That day it was fine. Now I'm lucky if I can get it to open one solution in a whole day. It opens OK by itself, but when I try and open a solution from within - via the menu - it hangs, badly. If I right-clic...
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Unloading classes in java?

I have a custom class loader so that a desktop application can dynamically start loading classes from an AppServer I need to talk to. We did this since the amount of jars that are required to do this are ridiculous (if we wanted to ship them). We also have version problems if we don't load the class...