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How does the HyperLogLog algorithm work?
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Length of generator output [duplicate]
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I have a filtered list I expect to be on the order of 2000000000 elements. I can't just use a regular list; I need to use a generator. Now, because of how these elements are being sourced, I can actually run through them pretty efficiently -- I just can't store them bec...
How to change context root of a dynamic web project in Eclipse?
...d not the individual instance of server on my localmachine.
Reference
In order to do that I need jboss-web.xml placed in WEB-INF
<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2008 Object Computing, Inc.
All rights reserved.
-->
<!DOCTYPE jboss-web PUBLIC "-//JBoss//DTD...
iPhone: How to get current milliseconds?
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In order to avoid getting negative numbers I had to cast before the math: int64_t result = ((int64_t)tv.tv_sec * 1000) + ((int64_t)tv.tv_usec / 1000);
– jason gilbert
Jan 18 '15 at 1:48
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Uncaught SyntaxError: Unexpected token with JSON.parse
...ect.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]", which is not valid JSON; hence the error.
share
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abort, terminate or exit?
...t successfully exits the
application, and calls atexit()
functions in LIFO order. I don't
normally see this in C++
applications, however, I do see it in
many unix based applications where it
sends an exit code at the end.
Usually a exit(0) indicates a
successful run of the application.
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Skip Git commit hooks
... might, as in this blog post, have to comment/disable somehow that hook in order for your git cherry-pick to proceed.
The same process would be necessary in case of a git rebase --continue, after a merge conflict resolution.
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Remove all special characters with RegExp
...*()_|+\-=?;:'",.<>\{\}\[\]\\\/]/gi, '');
take special note that in order to also include the "minus" character, you need to escape it with a backslash like the latter group. if you don't it will also select 0-9 which is probably undesired.
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Invoke a callback at the end of a transition
...yCallback);
This demo uses the "end" event to chain many transitions in order.
The donut example that ships with D3 also uses this to chain together multiple transitions.
Here's my own demo that changes the style of elements at the start and end of the transition.
From the documentation for tra...
How to set the first option on a select box using jQuery?
...our comment was helpful, but 1) The option with value="" can appear in any order. 2) An option without a value attribute i.e. <option></option> is not the same as an option with an empty-string value attribute i.e. <option value=""></option>, and you made it clear we need the...