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Flags to enable thorough and verbose g++ warnings
...t list the set of warnings that I feel do not actually indicate something bad is happening, or else have too many false positives to be used in a real build. I commented as to why each of the ones I excluded were excluded. This is my final set of suggested warnings:
-pedantic -Wall -Wextra -Wcast-a...
Change date format in a Java string
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Update: as per your failed attempt: the patterns are case sensitive. Read the java.text.SimpleDateFormat javadoc what the individual parts stands for. So stands for example M for months and m for minutes. Also, years exist of four digits yyyy, not five yyyyy. Look closer at the code snippets I p...
How to make a Bootstrap accordion collapse when clicking the header div?
In a Bootstrap accordion, instead of requiring a click on the a text, I want to make it collapse when clicking anywhere in the panel-heading div.
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How to make Git “forget” about a file that was tracked but is now in .gitignore?
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.gitignore will prevent untracked files from being added (without an add -f) to the set of files tracked by git, however git will continue to track any files that are already being tracked.
To stop tracking a file you need to remove it from the index. This can be achieved wi...
How to prevent Node.js from exiting while waiting for a callback?
... is Not Queued
Node runs until all event queues are empty. A callback is added to an event queue when a call such as
emmiter1.on('this_event',callback).
has executed. This call is part of the code written by the module developer .
If a module is a quick port from a synchronous/blocking ver...
How do I center an SVG in a div?
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SVG is inline by default. Add display: block to it and then margin: auto will work as expected.
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Xcode: What is a target and scheme in plain language?
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I've added in Workspace and Project too!
Workspace - Contains one or more projects. These projects usually relate to one another
Project - Contains code and resources, etc. (You'll be used to these!)
Target - Each project has ...
Prevent double submission of forms in jQuery
...te in 2018: I just got some points for this old answer, and just wanted to add that the best solution would be to make the operation idempotent so that duplicate submissions are harmless.
Eg, if the form creates an order, put a unique ID in the form. The first time the server sees an order creation ...
How to add elements of a Java8 stream into an existing List
Javadoc of Collector shows how to collect elements of a stream into a new List. Is there an one-liner that adds the results into an existing ArrayList?
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Manipulating an Access database from Java without ODBC
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UCanAccess is a pure Java JDBC driver that allows us to read from and write to Access databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.
Option 1: Using Maven
If your...