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How add context menu item to Windows Explorer for folders [closed]
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The only good solution I found a really working is : https://superuser.com/questions/1097054/shell-context-menu-registry-extension-doesnt-work-when-default-program-is-other
Add keys in HKEY_CLASSES_ROOT\SystemFileAssociations\your.extension\shell\command
Modify the last key wi...
How to drop all user tables?
...les in the schema. Spool the result of this query and execute it.
Source: https://forums.oracle.com/forums/thread.jspa?threadID=614090
Likewise if you want to clear more than tables you can edit the following to suit your needs
select 'drop '||object_type||' '|| object_name || ';' from user_objec...
How to calculate the number of occurrence of a given character in each row of a column of strings?
...
A variation of https://stackoverflow.com/a/12430764/589165 is
> nchar(gsub("[^a]", "", q.data$string))
[1] 2 1 0
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...ill work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blob/master/json2.js
There is a regexp that check for a valid JSON, something like:
if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@').
replace(/"[^"\\\n\r]*"|true|fal...
Bash history without line numbers
...(as well as other options for history formatting)
zsh> fc -ln 0
(See https://serverfault.com/questions/114988/removing-history-or-line-numbers-from-zsh-history-file)
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App restarts rather than resumes
... 1. You can find details about the bug as well as possible solutions here: https://code.google.com/p/android/issues/detail?id=2373.
It's a relatively common issue on Samsung devices as well as other manufacturers that use a custom launcher/skin. I haven't seen the issue occur on a stock Android la...
What goes into your .gitignore if you're using CocoaPods?
...tion, versus views of pure users :) I’ll tweet about this question from https://twitter.com/CocoaPodsOrg.
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How to create GUID / UUID?
...ly Random or Pseudo-Random Number).
function createUUID() {
// http://www.ietf.org/rfc/rfc4122.txt
var s = [];
var hexDigits = "0123456789abcdef";
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
}
s[14] = "4"; // bits ...
Error deploying ClickOnce application - Reference in the manifest does not match the identity of the
... I had disabled those two settings while I was fooling around with https://github.com/Squirrel. When my (non-production) ClickOnce deploys stopped working, I had forgotten all about this.
– Walter Stabosz
Oct 16 '18 at 20:45
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How to convert a Java 8 Stream to an Array?
... System.out.println(string);
}
}
}
Try it out online: https://repl.it/@SmaMa/Stream-to-array
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