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Visually managing MongoDB documents and collections [closed]
...r – full-featured shell-centric cross-platform GUI tool for MongoDB v2.2-4. Free, Personal, and Commercial editions (feature comparison matrix).
MongoDB Compass – provides a graphical user interface that allows you to visualize your schema and perform ad-hoc find queries against the database –...
What is this operator in MySQL?
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242
TL;DR
It's the NULL safe equal operator.
Like the regular = operator, two values are compared a...
Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...version and thus not conform e.g. 2.5 version or lower. Below is a Servlet 4.0 compatible one (which matches Tomcat 9+, WildFly 11+, Payara 5+, etc).
<?xml version="1.0" encoding="UTF-8"?>
<web-app
xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSche...
How to print number with commas as thousands separators?
...commas as thousands separators. For example, I want to show the number 1234567 as 1,234,567 . How would I go about doing this? I have seen many examples on Google, but I am looking for the simplest practical way.
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How can one print a size_t variable portably using the printf family?
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495
Use the z modifier:
size_t x = ...;
ssize_t y = ...;
printf("%zu\n", x); // prints as unsign...
Database Design for Tagging
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4
I have to say that answer is a bit short sighted, because using a bit field type of the database limits you to a specific number of bits. Th...
Why both no-cache and no-store should be used in HTTP response?
...part of their normal operation
But this is omitted from the newer RFC 7234 HTTP spec in potentially an attempt to make no-store stronger, see:
http://tools.ietf.org/html/rfc7234#section-5.2.1.5
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What is trunk, branch and tag in Subversion? [duplicate]
... the HTML version of "Version Control with Subversion", especially Chapter 4: Branching and Merging or buy it in paper (e.g. from amazon) for an in-depth discussion of the technical details.
As others (e.g. Peter Neubauer below) the underlying implementation as /tags /branches and /trunk directorie...
How to scale an Image in ImageView to keep the aspect ratio
...Steve Haley
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