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How do I use JDK 7 on Mac OSX?
...Apple's Java 1.6, I had to run /Library/Java/JavaVirtualMachines/1.7.0.jdk and drag "Java SE 7" to the top of the list on the "General" tab. This will also make javac point to the Java 1.7 version when running the terminal.
– sschuberth
Jun 1 '12 at 8:19
...
Why is '+' not understood by Python sets?
...'t have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both se...
How to change font size in Eclipse for Java text editors?
...indow → Preferences
Set the font size, General → Appearance → Colors and Fonts → Java → Java Editor Text Font).
Save the preferences.
Check that you do not have per-project preferences. These will override the top-level preferences.
Eclipse v4.2 (Juno) note
Per comment below, this has mo...
How to identify platform/compiler from preprocessor macros?
...ompile at linux, windows, Mac OS. On windows, I must support visual studio and mingw.
4 Answers
...
Lodash - difference between .extend() / .assign() and .merge()
... the Lodash library, can someone provide a better explanation of merge and extend / assign .
5 Answers
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How do I find the .NET version?
...
Just type any one of the below commands to give you the latest version in the first line.
1. CSC
2. GACUTIL /l ?
3. CLRVER
You can only run these from the Visual Studio Command prompt if you have Visual Studio installed, or else if you have the .NET framewo...
Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
...his css:
.inactiveLink {
pointer-events: none;
cursor: default;
}
And then assign the class to your html code:
<a style="" href="page.html" class="inactiveLink">page link</a>
It makes the link not clickeable and the cursor style an arrow, not a hand as the links have.
or use...
How to detect page zoom level in all modern browsers?
I need this because some of my calculations are pixel-based and they may fluctuate when zoomed.
28 Answers
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Redis: possible to expire an element in an array or sorted set?
...tire key/value pair? What if I want to add values to a List type structure and have them get auto removed 1 hour after insertion. Is that currently possible, or would it require running a cron job to do the purging manually?
...
Original purpose of ? [closed]
...lude such a description):
type=hidden
These fields should not be rendered and provide a means for servers to store state information with a form. This will be passed back to the server when the form is submitted, using the name/value pair defined by the corresponding attributes. This is a work arou...