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How to convert hashmap to JSON object in Java
...ions you can get from its documentation
http://stleary.github.io/JSON-java/index.html
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How to get the last character of a string in a shell?
...ilename expansion.
To get the last character you should just use -1 as the index since the negative indices count from the end of the string:
echo "${str: -1}"
The space after the colon (:) is REQUIRED.
This approach will not work without the space.
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MySQL “NOT IN” query
...ribution, number of values in both tables etc., as long as both fields are indexed. Since there are three pieces of code in MySQL that essentialy do one job, it is possible that the code responsible for EXISTS makes some kind of an extra check which takes extra time.
[…]
MySQL can optimize a...
jQuery selector regular expressions
...th it: $j('input:regex(type, text|file|checkbox),textarea').each(function(index){ // ... });
– Matt Setter
Jan 6 '12 at 11:41
...
How do you move a file?
...k out section 5.14.2. Moving files and folders (or check out "move" in the Index of the help) of the TortoiseSVN help. You do a move via right-dragging. It also mentions that you need to commit from the parent folder to make it "one" revision. This works for doing the change in a working copy.
(Not...
jQuery set checkbox checked
...
</div>
CODE:
$.each(queriesToAddToGroup, function (index, query) {
if (query.groupAddType === queriesGroupAddType.COPY) {
// USE FIND against your dynamic window and PROP to set the value
// if you are using JQUERY 1.6 or higher.
$(kendoWindow).fi...
I change the capitalization of a directory and Git doesn't seem to pick up on it
...e git command fails and no files are changed in the filesystem or in git's index.
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Ignore python multiple return value
...g to a variable and then not using it? The function is returning a tuple; index it like a tuple.
– endolith
Mar 26 '13 at 14:41
Rails - How to use a Helper Inside a Controller
... end
end
end
class ExamplesController < ApplicationController
def index
current_datetime = helpers.datetime_format DateTime.now
raise current_datetime.inspect
end
end
OUTPUT
"2018-12-10 01:01 AM"
s...
Can you Run Xcode in Linux?
...to Unix and Linux platforms. But the IDE--the editor, project management, indexing, navigation, build system, graphical debugger, visual data modeling, SCM system, refactoring, project snapshots, etc.--is a Mac OS X Cocoa application, and is not portable.
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