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Pass a JavaScript function as parameter
...bar(foo);
But sometimes you might want to pass a function with arguments included, but not have it called until the callback is invoked. To do this, when calling it, just wrap it in an anonymous function, like this:
function foo(x) {
alert(x);
}
function bar(func) {
func();
}
//alerts "Hel...
how to use XPath with XDocument?
... is that if you have a document which defines a namespace, your xpath must include qualified elements, i.e. you cannot do xnm.AddNamespace(string.Empty, "demo.com/2011/demo-schema"); and then xdoc.XPathSelectElement("/Report/ReportInfo/Name", xnm) - the result always comes out null
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jQuery: How can i create a simple overlay?
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Here's a fully encapsulated version which adds an overlay (including a share button) to any IMG element where data-photo-overlay='true.
JSFiddle
http://jsfiddle.net/wloescher/7y6UX/19/
HTML
<img id="my-photo-id" src="http://cdn.sstatic.net/stackexchange/img/logos/so/so-logo.png...
How to set working/current directory in Vim?
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@Michael % translates to the current file name including path, : adds modifier, h is head, i.e. the path up to the last path separator, that is excluding the file name itself.
– falstro
Aug 2 '12 at 17:39
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TortoiseGit not showing icon overlays
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I read all answers, including this one, and then opted for just restarting Windows Explorer (I used the Ctrl+Shift+Asc-then-restart-process approach mentioned at @replicantspy's answer). It worked for me! So, the +1 for this answer is quite fair...
Java optional parameters
... caller, however, one may find such signature too verbose.
Update: Java 8 includes the class java.util.Optional out-of-the-box, so there is no need to use guava for this particular reason in Java 8. The method name is a bit different though.
Builder pattern. The builder pattern is used for construc...
Where is nodejs log file?
...the respective app.log created by you.
After this go to your index.js and include the following code in it.
const morgan = require('morgan');
const winston = require('./winston/config');
const express = require('express');
const app = express();
app.use(morgan('combined', { stream: winston.stream ...
Is a colon `:` safe for friendly-URL use?
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I don't see Firefox or IE8 encoding some of the Wikipedia URLs that include the character.
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How to get a list of repositories apt-get is checking? [closed]
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That won't include the repos from /etc/apt/sources.list.d/, IE those resulting from #apt-add-repository XXX
– ktenney
Dec 27 '11 at 18:01
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Regular expression for a string containing one word but not another
...eat for me. In my case excluding lines with either "bot" or "spider" while including ' / ' (for my root document).
My original command:
tail -f mylogfile | grep --line-buffered -v 'bot\|spider' | grep ' / '
Now becomes (with -P perl switch):
tail -f mylogfile | grep -P '^(?!.*(bot|spider)).*\s\...