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Keyboard shortcut to change font size in Eclipse?
...ered May 19 '16 at 13:33
ROMANIA_engineerROMANIA_engineer
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How to tell when UITableView has completed ReloadData?
...other way is to schedule your after-layout code to run later using dispatch_async:
[self.tableView reloadData];
dispatch_async(dispatch_get_main_queue(), ^{
NSIndexPath* indexPath = [NSIndexPath indexPathForRow: ([self.tableView numberOfRowsInSection:([self.tableView numberOfSections]-1)]-1) ...
How to form tuple column from two columns in Pandas
...rtable with zip. It comes in handy when dealing with column data.
df['new_col'] = list(zip(df.lat, df.long))
It's less complicated and faster than using apply or map. Something like np.dstack is twice as fast as zip, but wouldn't give you tuples.
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...ll 64-bit Git for Windows 2.
Technical details
0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487
AllocationBase 0x0, BaseAddress 0x68570000, RegionSize 0x2A0000, State 0x10000
PortableGit\bin\bash.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 0
This...
Mean per group in a data.frame [duplicate]
... object. It’s easier to do what you’re after with dplyr: d %>% group_by(Name) %>% mutate(mean1=mean(Rate1), mean2=mean(Rate2))
– jbaums
May 29 '19 at 9:48
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How to get the number of Characters in a String?
...unes without any packages by converting string to []rune as len([]rune(YOUR_STRING)):
package main
import "fmt"
func main() {
russian := "Спутник и погром"
english := "Sputnik & pogrom"
fmt.Println("count of bytes:",
len(russian),
len(english))
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Way to go from recursion to iteration
...ack, heap does not have memory restrictions. See gribblelab.org/CBootCamp/7_Memory_Stack_vs_Heap.html
– yuqli
Aug 28 '18 at 3:22
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How to remove “disabled” attribute using jQuery?
...this (from this question):
$(".inputDisabled").prop('disabled', function (_, val) { return ! val; });
Here is a working fiddle.
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...x?p=1407357&seqNum=3 -- Andrey Alexandrescu
– The_Ghost
Oct 11 '11 at 17:32
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What is Normalisation (or Normalization)?
...ll is that it is tricky to update, tricky to query against, and you cannot apply indexes, constraints and so on.
(2) Having redundant non-key data (ie. data repeated unnecessarily in several rows). Example:
UserId | UserName | Car
-----------------------
1 | John | Toyota
2 | Sue ...