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MongoDB Aggregation: How to get total records count?
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This is one of the most commonly asked question to obtain the paginated result and the total number of results simultaneously in single query. I can't explain how I felt when I finally achieved it LOL.
$result = $collection->aggregate(array(
a...
Throw away local commits in Git
Due to some bad cherry-picking, my local Git repository is currently five commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again.
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Java abstract interface
Consider an example (which compiles in java)
9 Answers
9
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How can I get column names from a table in Oracle?
...table. Here are some other relevant column data from the table docs.oracle.com/cd/B19306_01/server.102/b14237/…
– Bernauer
Apr 13 '16 at 7:49
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How to dynamically create generic C# object using reflection? [duplicate]
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Note: if your generic class accepts multiple types, you must include the commas when you omit the type names, for example:
Type type = typeof(IReadOnlyDictionary<,>);
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Automatic exit from bash shell script on error [duplicate]
...e was the ability to halt the execution of said shell script if any of the commands failed. See below for an example:
8 Ans...
How can I compare two dates in PHP?
How can I compare two dates in PHP?
13 Answers
13
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Python pip install fails: invalid command egg_info
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Install distribute, which comes with egg_info.
Should be as simple as pip install Distribute.
Distribute has been merged into Setuptools as of version 0.7. If you are using a version <=0.6, upgrade using pip install --upgrade setuptools or easy_i...
Removing empty lines in Notepad++
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See @BoltClock's comment below. Also, if your file is saved with Unix line endings, you can convert it to Windows line endings in Edit > EOL Conversion > Windows Format before doing the find and replace.
– Big McLa...
Get size of an Iterable in Java
...ng (what your second method is doing) is very slow (calculating the size becomes O(n*n) instead of O(n) as it should be).
In general, if there is the chance that values is actually a Collection and not only an Iterable, check this and call size() in case:
if (values instanceof Collection<?>)...