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Why would I ever use push_back instead of emplace_back?
...ementations of emplace_back do not behave as specified in the C++ standard including the version that ship with Visual Studio 2012, 2013 and 2015.
In order to accommodate known compiler bugs, prefer usingstd::vector::push_back() if the parameters reference iterators or other objects which will be i...
Storing JSON in database vs. having a new column for each key
...products provide performant JSON types that can store arbitrary documents, including support for indexing specific keys of the JSON object.
However, I still stand by my original statement that your default preference, when using a relational database, should still be column-per-value. Relational da...
How can you customize the numbers in an ordered list?
...i>
<li>Ten<br>Items</li>
</ol>
EDIT: Included multiple line fix by strager
Also is there a CSS solution to change from numbers to alphabetic/roman lists instead of using the type attribute on the ol element.
Refer to list-style-type CSS property. Or when u...
Insert a commit before the root commit in Git?
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How can I quickly delete a line in VIM starting at the cursor position?
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(Edited to include commenter's good additions:)
D or its equivalent d$ will delete the rest of the line and leave you in command mode. C or c$ will delete the rest of the line and put you in insert mode, and new text will be appended t...
How to re-sign the ipa file?
...n't quite work for me. They mainly skipped signing embedded frameworks (or including the entitlements).
Here's what's worked for me (it assumes that one ipa file exists is in the current directory):
PROVISION="/path/to/file.mobileprovision"
CERTIFICATE="Name of certificate: To sign with" # must be...
Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
...that allow for more scenarios when working with your data. These templates include the LayoutTemplate,GroupTemplate,ItemSeparatorTemplate.
The ListView control (unlike DataList and Repeater) also implicitly supports the ability to
edit, insert, and delete data by using a data source control. You ca...
Get all unique values in a JavaScript array (remove duplicates)
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For a much more detailed answer, including many possibilities - such as sorting first, and dealing with varying data types - see stackoverflow.com/a/9229821/368896
– Dan Nissenbaum
Jan 22 '17 at 21:08
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Can an Android NFC phone act as an NFC tag?
...9?pli=1
I've not verified that myself but it looks like people managed to include the hidden code into Android again.
They seem to be able to emulate a Mifare Classic card (iso-14443).
I'll soon test this myself, it looks very interesting.
If you want to do it for a commercial/free app you'll have...