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How do you crash a JVM?
...This isn't crashing the JVM, it's purposefully and explicitly beginning an orderly shut-down of execution.
– BenM
May 17 '10 at 14:04
9
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sql ORDER BY multiple values in specific order?
...rds with a certain value and return the row.
I would like to know if I can order by multiple values.
9 Answers
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Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
...ht. Also, for correct behavior, the objects need to be iterated in reverse order (because the last one is the top-most one visually). Edited code to match.
– Noam
May 8 '13 at 11:47
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Java String - See if a string contains only numbers and not letters
...
In order to simply check the string that it contains only ALPHABETS use the following code :
if (text.matches("[a-zA-Z]+"){
// your operations
}
In order to simply check the string that it contains only NUMBER use the foll...
Can dplyr package be used for conditional mutating?
...== 4, g := 3L]
df[a %in% c(2,5,7) | (a==1 & b==4), g := 2L]
Note the order of conditional statements is reversed to get g correctly. There's no copy of g made, even during the second assignment - it's replaced in-place.
On larger data this would have better performance than using nested if-el...
Cross-platform way of getting temp directory in Python
...ble.
On Windows, the directories C:\TEMP, C:\TMP, \TEMP, and \TMP, in that order.
On all other platforms, the directories /tmp, /var/tmp, and /usr/tmp, in that order.
As a last resort, the current working directory.
share
...
Position of least significant bit that is set
... i++) {
unsigned int value = nums[i];
// note that order to check indices will depend whether you are on a big
// or little endian machine. This is for little-endian
unsigned char *bytes = (unsigned char *)&value;
if (bytes[0])
...
Android Fragments and animation
...mFragment );
transaction.addToBackStack(null);
transaction.commit();
The order is important. This means you must call setCustomAnimations() before replace() or the animation will not take effect!
Next these files have to be placed inside the res/anim folder.
enter.xml:
<?xml version="1.0" e...
Markdown and image alignment
...de a class name like so (PHP Markdown Extra):
{.callout}
or, alternatively (Maruku, Kramdown, Python Markdown):
{: .callout}
Then, of course, you can use a stylesheet the proper way:
.callout {
float: right;
}
If yours supports this syn...
Tri-state Check box in HTML?
...ment, I found a better solution:
HTML5 defines a property for checkboxes called indeterminate
See w3c reference guide. To make checkbox appear visually indeterminate set it to true:
element.indeterminate = true;
Here is Janus Troelsen's fiddle. Note, however, that:
The indeterminate state can...