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How to set std::tuple element by index?
One can get an element from std::tuple by index using std::get .
Analogically, how to set tuple's element by index?
2 ...
Android global variable
... Globals.instance = instance;
}
private String notification_index;
private Globals() {
}
public String getValue() {
return notification_index;
}
public void setValue(String notification_index) {
this.notification_index = notification_index;
...
Remove json element
... bleh.first;
alert(bleh.first);
Alternatively, you can also pass in the index to delete an attribute:
delete bleh[1];
However, to understand some of the repercussions of using deletes, have a look here
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How can I use a local image as the base image with a dockerfile?
... working on a dockerfile.
I just realised that I've been using FROM with indexed images all along.
4 Answers
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How can I convert a hex string to a byte array? [duplicate]
...g));
}
byte[] data = new byte[hexString.Length / 2];
for (int index = 0; index < data.Length; index++)
{
string byteValue = hexString.Substring(index * 2, 2);
data[index] = byte.Parse(byteValue, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
}
ret...
Installing specific package versions with pip
...I used a different version. To view all available package versions from an index exclude the version:
pip install MySQL_python==
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MySQL DISTINCT on a GROUP_CONCAT()
...5),(6),(7),(8),(9),(10);
then we can run this query:
SELECT
SUBSTRING_INDEX(
SUBSTRING_INDEX(tableName.categories, ' ', numbers.n),
' ',
-1) category
FROM
numbers INNER JOIN tableName
ON
LENGTH(tableName.categories)>=
LENGTH(REPLACE(tableName.categories, ' ', ''))+num...
Detect when an image fails to load in Javascript
...y wouldn't try and load an image that isn't there.
– PHP Guru
Feb 12 at 19:29
1
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Get query from java.sql.PreparedStatement [duplicate]
...gBuffer sb = new StringBuffer();
int indx = 1; // Parameter begin with index 1
while (matcher.find()) {
matcher.appendReplacement(sb, prepHelper.getParameter(indx++));
}
matcher.appendTail(sb);
LOGGER.debug("Executing Query [" + sb.toString() + "] with Database[" + /*db name*/ + "] ...
MySQL Creating tables with Foreign Keys giving errno: 150
... of table test/t2:
FOREIGN KEY (t1_id) REFERENCES t1 (id)):
Cannot find an index in the referenced table where the
referenced columns appear as the first columns, or column types
in the table and the referenced table do not match for constraint.
It says that the problem is it can’t find an index...