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git selective revert local changes from a file
... I had that error a few times if the file had been patched already, and so the interactive patch was out of date with the current file's applied patches. It happened when using a gui tool like source tree if I discarded a hunk twice accidentally. The second time would produce that er...
How to map and remove nil values in Ruby
...ap { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the subject, with some performance benchmarks against some of the earlier approaches to this problem:
N = 1_00_000
enum = 1.upto(1_000)
Benchmark.bmbm do |x|
x.report("select + map") { N.times { enum.select { |i| ...
Getting output of system() calls in Ruby
...d capturing the latter is convoluted and messy.
The best answer in this thread so far mentions Open3, but not the functions that are best suited for the task. Open3.capture2, capture2e and capture3 work like system, but returns two or three arguments:
out, err, st = Open3.capture3("echo #{untruste...
What are good grep tools for Windows? [closed]
...
(I'm still a fan of PowerGREP, but I don't use it anymore.)
I know you already mentioned it, but PowerGREP is awesome.
Some of my favorite features are:
Right-click on a folder to run PowerGREP on it
Use regular expressions or literal text
Specify wildcards for files to include & exclude
Sear...
How to store a git config as part of the repository?
.../.gitconfig. No one will remember it. Is there a way to make git to ALWAYS read the repo's .gitconfig.
– Zaar Hai
Aug 20 '13 at 9:23
9
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What is a practical use for a closure in JavaScript?
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I just read the w3schools page on closures and then came here for more info. This is the same as the w3schools page: w3schools.com/js/js_function_closures.asp
– tyelford
Jun 14 '17 at 12:31
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Is there a destructor for Java?
...ave a look at the try-with-resources statement. For example:
try (BufferedReader br = new BufferedReader(new FileReader(path))) {
System.out.println(br.readLine());
} catch (Exception e) {
...
} finally {
...
}
Here the resource that is no longer needed is freed in the BufferedReader.close(...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
... 属性
IsMenuVisible 菜单可见(组件) {:.boolean .read-only}
返回指定组件的菜单是否当前可见。
组件：组件类型，要检查的组件
返回值：布尔类型，菜单是否可见
MenuItemCount 菜单项数量(组件) {:.number...
Visual Studio Disabling Missing XML Comment Warning
... coverage is. Any tool that calculates documentation coverage will always read 100%. So you literally have to go through the mentally exhausting task of reading every XML comment and evaluating whether it is sufficient to document the code. Having done this on a large project, I can tell you, it's ...
Eclipse: How do you change the highlight color of the currently selected method/expression?
...
It's different in Eclipse 3 Mars. Remember to get the "Read" and "Wrte" occurrences. Here's a screenshot of how it looks when editing for PHP: i.imgur.com/3H1GfYO.png
– Coreus
May 7 '16 at 14:29
...