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Appending a line to a file only if it does not already exist
... to put a regex that matches your entry, i.e. to escape all regex controls from your actual entry, i.e. to put a backslash in front of ^$/*?+().
this might fail on the last line of your file or if there's no dangling newline, I'm not sure, but that could be dealt with by some nifty branching...
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html tables: thead vs th
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As far as I can tell from experience, there is no difference in rendering unless you're using CSS to specify a difference in rendering. A <td> inside of a <thead> will render the same as a <th> inside of a <table> or a <...
C# generic list how to get the type of T? [duplicate]
...ore additional information in your objects but at least you spare yourself from this cascade-call in the approved answer.
– rbaleksandar
Jul 26 '13 at 13:42
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How can I detect if a selector returns null?
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I like to use presence, inspired from Ruby on Rails:
$.fn.presence = function () {
return this.length !== 0 && this;
}
Your example becomes:
alert($('#notAnElement').presence() || "No object found");
I find it superior to the proposed $.fn....
Deserialize json object into dynamic object using Json.net
Is it possible to return a dynamic object from a json deserialization using json.net? I would like to do something like this:
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What's the name for hyphen-separated case?
...re added to Wikipedia on 2012-10-07 without reference by an anonymous user from an IP address without other Wikipedia history. I couldn't find any other evidence for those terms that didn't circularly go back to Wikipedia. On the other hand, I felt this StackOverflow question did offer evidence ...
Difference between JSONObject and JSONArray
...hort look at Google I found this link that describes the difference, yet from a syntax point of view.
8 Answers
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Java: How to Indent XML Generated by Transformer
...t", "2");
Update:
Reference : How to strip whitespace-only text nodes from a DOM before serialization?
(Many thanks to all members especially @marc-novakowski, @james-murty and @saad):
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How to pass parameters using ui-sref in ui-router to controller
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Controlling mouse with Python
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Linux
from Xlib import X, display
d = display.Display()
s = d.screen()
root = s.root
root.warp_pointer(300,300)
d.sync()
Source: Python mouse move in 5 lines of code (Linux only).
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