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How to check if a given directory exists in Ruby
...d, 'some directory'
it gets it's origins from https://ss64.com/bash/test.html
you will notice bash test has this flag -d to test if a directory exists
-d file True if file is a Directory. [[ -d demofile ]]
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Why can't a text column have a default value in MySQL?
... throw an error these days. The docs dev.mysql.com/doc/refman/5.7/en/blob.html say "BLOB and TEXT columns cannot have DEFAULT values." FWIW (but not why)
– rogerdpack
Oct 20 '16 at 23:50
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I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
...d in documentataion developer.android.com/reference/android/widget/Spinner.html
– Error
Jun 20 '16 at 9:11
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Can anyone explain what JSONP is, in layman terms? [duplicate]
...&& xhr.status == 200) {
document.getElementById("output").innerHTML = eval('(' + this.responseText + ')').bar;
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP:
function foo(response) {
document.getElementById("output").innerHTML = response.bar;
};
var tag = docum...
DefaultInlineConstraintResolver Error in WebAPI 2
.../rajeevdotnet.blogspot.com/2018/08/web-api-systeminvalidoperationexception.html for more details
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What does `kill -0 $pid` in a shell script do?
...e validity of pid. pubs.opengroup.org/onlinepubs/009695399/functions/kill.html
– Thomas Hughes
May 9 '17 at 4:53
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Is there an alternative sleep function in C to milliseconds?
...s the nanosleep() documentation: man7.org/linux/man-pages/man2/nanosleep.2.html. Posting the documentation links for each platform-specific function used here would be useful.
– Gabriel Staples
Apr 26 '19 at 2:23
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Java: Why is the Date constructor deprecated, and what do I use instead?
...date Javadoc:
http://download.oracle.com/javase/6/docs/api/java/util/Date.html
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Twitter Bootstrap Button Text Word Wrap
...ostfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C...
Check if Internet Connection Exists with Javascript? [duplicate]
...its a really nice solution for firefox cache issues. If you dont want your html pages to be cached and displayed while firefox is offline, use this.
– Ashish Choudhary
Mar 11 '16 at 5:06
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