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Selecting a row of pandas series/dataframe by integer index
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@kilojoules .iloc looks things up by their order in the index (e.g. .iloc[[2]]) is the second "row" in df. That row happens to be at index location 4. .loc looks them up by their index value. So maybe "iloc" is like "i" as in A[i]? :)
– Jim K...
split string only on first instance - java
...erminated by the end of the string. The substrings in the array are in the order in which they occur in this string. If the expression does not match any part of the input then the resulting array has just one element, namely this string.
The limit parameter controls the number of times the pa...
What command means “do nothing” in a conditional in Bash?
...lternative, in your example case (but not necessarily everywhere) is to re-order your if/else:
if [ "$a" -le 5 ]; then
echo "1"
elif [ "$a" -lt 10 ]; then
echo "2"
fi
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Meaning of Choreographer messages in Logcat [duplicate]
...actually responsible for executing 3 types of callbacks, which run in this order:
input-handling callbacks (handling user-input such as touch events)
animation callbacks for tweening between frames, supplying a stable frame-start-time to any/all animations that are running. Running these callbacks...
How can I add an animation to the activity finish()
...;
Details.this.overridePendingTransition(R.anim.nothing,R.anim.nothing);
Order is important :)
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How do you find the row count for all your tables in Postgres
...mate:
SELECT schemaname,relname,n_live_tup
FROM pg_stat_user_tables
ORDER BY n_live_tup DESC;
That can also show you how many rows are dead, which is itself an interesting number to monitor.
The third way is to note that the system ANALYZE command, which is executed by the autovacuum proce...
Entity Framework 4 vs NHibernate [closed]
... from JOIN SQL query, it can only load data from one table (So if you have Order.Product, SELECT * FROM order LEFT JOIN Product will initialize only Order object, Product will remain null, thought all necessary data is fetched in query to init it ). This can be overcome by using EFExtensions commun...
What is Weak Head Normal Form?
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@Zorobay: In order to print the result, GHCi ends up evaluating the expression completely to NF, not just to WHNF. One way to tell the difference between the two variants is to enable memory stats with :set +s. You can then see that foldl...
How to detect the currently pressed key?
...es.None;
short retVal = GetKeyState((int)key);
//If the high-order bit is 1, the key is down
//otherwise, it is up.
if ((retVal & 0x8000) == 0x8000)
state |= KeyStates.Down;
//If the low-order bit is 1, the key is toggled.
if ((retVal & 1) == 1)...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...struction
Number of rows and columns
Sizing and position functions
Reordering rows and columns
Cell Editing and Validation
Structures, defines and Messages
Colours
General cell information
Operations
Printing
History
Introduction
After pushing the CList...