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Why does InetAddress.isReachable return false, when I can ping the IP address?
... this same matter :
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4921816
Part 1 : A reproducible example of the problem
Note that in this case, it fails.
//also, this fails for an invalid address, like "www.sjdosgoogle.com1234sd"
InetAddress[] addresses = InetAddress.getA...
Difference between style = “position:absolute” and style = “position:relative”
...f I had this code:
<body>
<div style="position:absolute; left: 20px; top: 20px;"></div>
</body>
...the <div> would be positioned 20px from the top of the browser viewport, and 20px from the left edge of same.
However, if I did something like this:
<div id="ou...
How to put individual tags for a scatter plot
...ttom = 0.1)
plt.scatter(
data[:, 0], data[:, 1], marker='o', c=data[:, 2], s=data[:, 3] * 1500,
cmap=plt.get_cmap('Spectral'))
for label, x, y in zip(labels, data[:, 0], data[:, 1]):
plt.annotate(
label,
xy=(x, y), xytext=(-20, 20),
textcoords='offset points', ha...
Check difference in seconds between two times
...
267
Assuming dateTime1 and dateTime2 are DateTime values:
var diffInSeconds = (dateTime1 - dateTi...
How can I turn off Visual Studio 2013 Preview?
...
211
From the menu go to Tools -> Options then navigate to Environment -> Tabs and Windows an...
Finding a substring within a list in Python [duplicate]
Example list: mylist = ['abc123', 'def456', 'ghi789']
5 Answers
5
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The model used to open the store is incompatible with the one used to create the store
I created a Core Data model in xcode 3.2 and after upgrading in Xcode 4.2, I then added a new entity of the NSManagedObject subclass (refer to the new entity).
...
Write to .txt file?
...
270
FILE *f = fopen("file.txt", "w");
if (f == NULL)
{
printf("Error opening file!\n");
ex...
What unique features does Firebug have that are not built-in to Firefox?
... you're used to Firebug.
Once multi-process Firefox is enabled, pressing F12 or clicking the Firebug button opens the Firefox DevTools and with the Firebug theme.
There's also a migration guide explaining the differences between Firebug and the Firefox DevTools.
...