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Print newline in PHP in single quotes
...o, because single-quotes even inhibit hex code replacement.
echo 'Hello, world!' . "\xA";
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Deprecated Java HttpClient - How hard can it be?
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Relevant imports:
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import java.io.IOException;
Usage:
HttpClient httpClient = HttpClientBuilder.create().build();
EDIT (af...
How to vertically align an image inside a div
...ght: 25px; /* Equals maximum image height */
width: 160px;
border: 1px solid red;
white-space: nowrap; /* This is required unless you put the helper span closely near the img */
text-align: center;
margin: 1em 0;
}
.helper {
display: inline-block;
height...
Parse large JSON file in Nodejs
I have a file which stores many JavaScript objects in JSON form and I need to read the file, create each of the objects, and do something with them (insert them into a db in my case). The JavaScript objects can be represented a format:
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How to simulate the environment cron executes a script with?
I normally have several problems with how cron executes scripts as they normally don't have my environment setup. Is there a way to invoke bash(?) in the same way cron does so I could test scripts before installing them?
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Java / Android - How to print out a full stack trace?
...ut a full stack trace? If my application crashes from nullPointerException or something, it prints out a (almost) full stack trace like so:
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Get hours difference between two dates in Moment Js
...e number of hours as a positive number. However, your second point is not correct. duration.hours() would return 1 if it was 25 hours ago, but duration.asHours() would return 25.
– GregL
Nov 6 '15 at 4:11
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How can we make xkcd style graphs?
...thematica and in LaTeX . Can we do it in R? Ggplot2-ers? A geom_xkcd and/or theme_xkcd?
7 Answers
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PostgreSQL Crosstab Query
Does any one know how to create crosstab queries in PostgreSQL?
For example I have the following table:
6 Answers
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Is there an expression for an infinite generator?
Is there a straight-forward generator expression that can yield infinite elements?
7 Answers
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