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Do the parentheses after the type name make a difference with new?
...e.
Sometimes the memory returned by the new operator will be initialized, and sometimes it won't depending on whether the type you're newing up is a POD (plain old data), or if it's a class that contains POD members and is using a compiler-generated default constructor.
In C++1998 there are 2 typ...
How can I create a link to a local file on a locally-run web page?
...want to download the file.
Modern versions of many browsers (e.g. Firefox and Chrome) will refuse to cross from the http protocol to the file protocol to prevent malicious behaviour. You'll need to open your webpage locally using the file protocol if you want to do this stuff at all.
Why does it g...
Does :before not work on img elements?
...
The before and after pseudo-selectors don't insert HTML elements — they insert text before or after the existing content of the targeted element. Because image elements don't contain text or have descendants, neither img:before or im...
Calculate a Running Total in SQL Server
...QL Server implementation of the Over clause is somewhat limited.
Oracle (and ANSI-SQL) allow you to do things like:
SELECT somedate, somevalue,
SUM(somevalue) OVER(ORDER BY somedate
ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
AS RunningTotal
FROM Table
SQL Server gi...
Can I run javascript before the whole page is loaded?
...er encounters a classic script tag when parsing the HTML, it stops parsing and hands over to the JavaScript interpreter, which runs the script. The parser doesn't continue until the script execution is complete (because the script might do document.write calls to output markup that the parser should...
How can I add new keys to a dictionary?
...y by assigning a value
to that key. If the key doesn't exist, it's added and points to that
value. If it exists, the current value it points to is overwritten.
—R. Navega
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ConcurrentHashMap vs Synchronized HashMap
...ference between using the wrapper class, SynchronizedMap , on a HashMap and ConcurrentHashMap ?
12 Answers
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Disable ALL CAPS menu items in Visual Studio 2013
... Studio 2013 Update 4 you can go into Tools > Options > Environment
and uncheck Turn off upper case in the menu bar
Before Visual Studio 2013 Update 4:
You need to create a specific registry key if you want "old-style" menus back.
First Variant: Since Package Manager Console is Powersh...
Which Android IDE is better - Android Studio or Eclipse? [closed]
I'm starting to develop for Android. Which IDE should I use - Android Studio or Eclipse sdk?
I would like to know which one is better.
...
Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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