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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
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With bash, you can also redirect from a string: sed 's/foo/bar/' <<< "$f"
– glenn jackman
Jul 27 '11 at 11:08
2
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Resetting generator object in Python
...y:
print(x)
for x in y_backup:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
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How do I include a pipe | in my linux find -exec command?
...cient solution in terms of number of command invocations is the suggestion from Paul Tomblin:
find . -name "file_*" -follow -type f -print0 | xargs -0 zcat | agrep -dEOE 'grep'
... which costs one invocation of find, one invocation of xargs, a few invocations of zcat and one invocation of agrep.
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How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...tp://jsfiddle.net/leaverou/ytH5P/
Will work in all browsers, including IE from version 8 and up.
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How to $http Synchronous call with AngularJS
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Not currently. If you look at the source code (from this point in time Oct 2012), you'll see that the call to XHR open is actually hard-coded to be asynchronous (the third parameter is true):
xhr.open(method, url, true);
You'd need to write your own service that did s...
“using namespace” in c++ headers
...* using statement in between brackets */ }, that would at least prevent it from escaping the current file.
– tjwrona1992
May 31 '19 at 4:12
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How do I loop through or enumerate a JavaScript object?
... that the key you get is an actual property of an object, and doesn't come from the prototype.
Here is the snippet:
var p = {
"p1": "value1",
"p2": "value2",
"p3": "value3"
};
for (var key in p) {
if (p.hasOwnProperty(key)) {
console.log(key + " -> " + p[key]...
count vs length vs size in a collection
From using a number of programming languages and libraries I have noticed various terms used for the total number of elements in a collection.
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How to test equality of Swift enums with associated values
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Swift 4.1+
As @jedwidz has helpfully pointed out, from Swift 4.1 (due to SE-0185, Swift also supports synthesizing Equatable and Hashable for enums with associated values.
So if you're on Swift 4.1 or newer, the following will automatically synthesize the necessary methods ...
How to make a function wait until a callback has been called using node.js
...l a valid question. Is there a nice way to achieve blocking in node aside from busy waiting?
– nategood
May 12 '12 at 16:02
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