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How to enter quotes in a Java string?
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Down-vote from me. This answer doesn't help address the original question any more thoroughly than the existing answers posted a year before this.
– Duncan Jones
Mar 18 '15 at 8:50
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Replace Fragment inside a ViewPager
... FragmentPagerAdapter caches the used fragments by a name which is derived from the position, so if there was a fragment at position 0, it will not be replaced even though the class is new. There are two solutions, but the simplest is to use the remove() function of FragmentTransaction, which will r...
C# HttpClient 4.5 multipart/form-data upload
... (e.g. a JPG) and additional API parameters. The file is directly uploaded from local disk via FileStream.
See here for the full example including additional API specific logic.
public static async Task UploadFileAsync(string token, string path, string channels)
{
// we need to send a request ...
Get the first N elements of an array?
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Use array_slice()
This is an example from the PHP manual: array_slice
$input = array("a", "b", "c", "d", "e");
$output = array_slice($input, 0, 3); // returns "a", "b", and "c"
There is only a small issue
If the array indices are meaningful to you, remembe...
Include another JSP file
...ould use a servlet to do that instead, and dispatch to the appropriate JSP from this servlet. Or better, use an existing MVC framework like Stripes or Spring MVC.
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How does this code generate the map of India?
...end of line. The number of characters drawn is a - 64. The value of c goes from 10 to 90, and resets to 10 when the end of line is reached.
The putchar
This can be rewritten as:
++c;
if (c==90) { //'Z' == 90
c = 10; //Note: 10 == '\n'
putchar('\n');
}
else {
if (b % 2 == ...
Where does npm install packages?
... (assuming I had done sudo npm install browserify -g before) it removes it from there.
– nik_m
Jul 1 '16 at 4:41
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IntelliJ IDEA hint parameters of method
I'm just swapping from eclipse to IntelliJ, and I can't find this particular feature.
5 Answers
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Set NOW() as Default Value for datetime datatype?
...ysql.com/doc/refman/5.1/en/create-table.html
If you want to prevent MySQL from updating the timestamp value on UPDATE (so that it only triggers on INSERT) you can change the definition to:
CREATE TABLE mytable (
mydate TIMESTAMP DEFAULT CURRENT_TIMESTAMP
)
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Futures vs. Promises
...o these two separate "interfaces" is to hide the "write/set" functionality from the "consumer/reader".
auto promise = std::promise<std::string>();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto consumer = std::thread...