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How do I find if a string starts with another string in Ruby?
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MRI 1.8.7 does not have start_with?, but MRI 1.9 does, as does Rails.
– Wayne Conrad
Nov 12 '10 at 21:18
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How do I load my script into the node.js REPL?
... depend on your use case.
Edit: It has limited applicability because it does not work in strict mode, but three years later I have learned that if your script does not have 'use strict', you can use eval to load your script without polluting the REPL history:
var fs = require('fs');
eval(fs.read...
NULL values inside NOT IN clause
... query executes if run here rextester.com/l/sql_server_online_compiler but does not work if run here sqlcourse.com/cgi-bin/interpreter.cgi.
– Istiaque Ahmed
Nov 10 '17 at 13:57
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Shell - Write variable contents to a file
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This fails if $var is -e text to append, and does't actually write the -e
– Eric
Mar 21 '18 at 23:37
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Gray out image with CSS?
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Does it have to be gray? You could just set the opacity of the image lower (to dull it). Alternatively, you could create a <div> overlay and set that to be gray (change the alpha to get the effect).
html:
<div id=...
Do the parentheses after the type name make a difference with new?
...ed the parens, sometimes you absolutely cannot have them, and sometimes it doesn't matter.
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How do I open links in Visual Studio in my web browser and not in Visual Studio?
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Turns out Visual Studio 2012 doesn't support macros, that's why I couldn't install it. Try emacs.
– Colonel Panic
Sep 17 '12 at 16:29
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How to get browser width using JavaScript code?
...est for values first, and then use the correct one. Here's a function that does this for you:
function getWidth() {
if (self.innerWidth) {
return self.innerWidth;
}
if (document.documentElement && document.documentElement.clientWidth) {
return document.documentElement.clientW...
Recursively counting files in a Linux directory
...ilenames can contain newline characters.
Explanation of why your example does not work:
In the command you showed, you do not use the "Pipe" (|) to kind-of connect two commands, but the broken bar (¦) which the shell does not recognize as a command or something similar. That's why you get that e...
How to get a dependency tree for an artifact?
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This does not work if the child module does not exist. e.g. ``` mvn -f ~/.m2/repository/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-parent/2.0.0-alpha-10/shrinkwrap-descriptors-parent-2.0.0-alpha-10.pom depen dency:tr...