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Paging with Oracle
...uilt in' column that Oracle supports, it always starts at 1 and increments for each row. So in this snippet of code, if you have 1000 rows, the sort order is applied and then each row is assigned a rownum. The outer select(s) use those row numbers to locate the 'page' you are looking for based on yo...
Extracting just Month and Year separately from Pandas Datetime column
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Best way found!!
the df['date_column'] has to be in date time format.
df['month_year'] = df['date_column'].dt.to_period('M')
You could also use D for Day, 2M for 2 Months etc. for different sampling intervals, and in case one has time series data with time stamp, we can go for granul...
Why does [5,6,8,7][1,2] = 8 in JavaScript?
...nd box i.e. [1,2,3] becomes [3] i.e. the last item so the result will be 4
for example if you keep [1,2,3,4,5,6] in an array
var arr=[1,2,3,4,5,6];
arr[3]; // as [1,2,3] in the place of index is equal to [3]
similarly
*var arr2=[1,2,3,4,5,6];
// arr[1,2] or arr[2] will give 3*
But when yo...
How to get the current time in milliseconds from C in Linux?
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+1 for being POSIXly correct — but your answer has the wrong units. The OP doesn't want the time with milliseconds, but the time in milliseconds.
– pilcrow
Jun 28 '13 at 19:50
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How to fix “containing working copy admin area is missing” in SVN?
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Mohammed, thanks for the heads up. That worked for me. Was trying to get SVN to ignore a log directory, and deleting .svn got me to this problem. Rob's solution solved it.
– Asmor
Jun 30 '14 at 18:27
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
...anged = true;
query += query + "AGE = " + newAge;
}
}
So before transaction commit, JPA provider will see stateChanged flag in order to update OR NOT person entity. If no rows is updated after update statement, JPA provider will throw EntityNotFoundException according to JPA specific...
How can I add additional PHP versions to MAMP
...sions that can be selected in the MAMP interfaces php preferences? This is for the free version of MAMP, not MAMP PRO.
8 An...
Calculate distance between two points in google maps V3
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If you want to calculate it yourself, then you can use the Haversine formula:
var rad = function(x) {
return x * Math.PI / 180;
};
var getDistance = function(p1, p2) {
var R = 6378137; // Earth’s mean radius in meter
var dLat = rad(p2.lat() - p1.lat());
var dLong = rad(p2.lng() - p...
Get underlined text with Markdown
I am using BlueCloth as a Markdown library for Ruby, and I can't find any syntax for getting a text underlined. What is it?
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How can we run a test method with multiple parameters in MSTest?
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It is unfortunately not supported in older versions of MSTest. Apparently there is an extensibility model and you can implement it yourself. Another option would be to use data-driven tests.
My personal opinion would be to just stick...