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Difference between 2 dates in SQLite
...day(DateCreated). The former does not account for DST days and will add an extra hour to created dates in Mar-Nov. The latter actually does account for it. stackoverflow.com/questions/41007455/…
– vapcguy
Dec 8 '16 at 19:36
...
How can a LEFT OUTER JOIN return more records than exist in the left table?
...ually want you can use aggregate functions (if for example you just want a string from the right part you could generate a column that is a comma delimited string of the right side results for that left row.
If you are only looking at 1 or 2 columns from the outer join you might consider using a sc...
Can someone explain mappedBy in JPA and Hibernate?
... at any side of mapping but perform at only one side .
It will remove the extra column of foreign key constraint on the table on which class it is applied.
For eg . If we apply mapped by in Employee class on employee object then foreign key from Employee table will be removed.
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How to make a phone call in android and come back to my activity when the call is done?
...tateListener {
@Override
public void onCallStateChanged(int state, String incomingNumber) {
if(TelephonyManager.CALL_STATE_RINGING == state) {
Log.i(LOG_TAG, "RINGING, number: " + incomingNumber);
}
if(TelephonyManager.CALL_STATE_OFFHOOK == state) {
...
Best way to allow plugins for a PHP application
...te that when using multiple hooks/listeners, you should only return either strings or arrays, not both. I have implemented something similar for Hound CMS - getbutterfly.com/hound.
– Ciprian
Dec 19 '17 at 11:21
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What does Ruby have that Python doesn't, and vice versa?
...e up with one here just to explain what I mean.
Reverse the words in this string:
sentence = "backwards is sentence This"
When you think about how you would do it, you'd do the following:
Split the sentence up into words
Reverse the words
Re-join the words back into a string
In Ruby, you'd ...
pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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How to add an object to an array
... aData) {
alert(aData[i].fullname());
}
/* convert array of object into string json */
var jsonString = JSON.stringify(aData);
document.write(jsonString);
Push object into array
share
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imp...
Is there a way to access method arguments in Ruby?
...o get it to work, otherwise you get a TypeError: can't convert Symbol into String
– Javid Jamae
Oct 11 '12 at 3:03
5
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How to call getClass() from a static method in Java?
...putStream when used in a MapReduce.
public static InputStream getResource(String resource) throws Exception {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
InputStream is = cl.getResourceAsStream(resource);
return is;
}
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