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indexOf method in an object array?
... think to see the performance of this method vs. a simple for loop. Especially when you're running on a mobile platform with limited resources.
– Doug
Aug 17 '15 at 5:51
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Split column at delimiter in data frame [duplicate]
...b','b|c','x|y'))
library(splitstackshape)
cSplit(df, "FOO", "|")
# ID FOO_1 FOO_2
# 1 11 a b
# 2 12 b c
# 3 13 x y
This particular function also handles splitting multiple columns, even if each column has a different delimiter:
df <- data.frame(ID=11:13,
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How do you kill a Thread in Java?
...ee this using Thread.currentThread.getThreadGroup().list(); it will prints all the threads its has and you will see multiple instances of your thread if you repeat your flow.
– AZ_
Jun 10 '11 at 14:08
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How to use the C socket API in C++ on z/OS
...nnect() API. When I do that, this is what I see:
FORMAT
X/Open
#define _XOPEN_SOURCE_EXTENDED 1
#include <sys/socket.h>
int connect(int socket, const struct sockaddr *address, socklen_t address_len);
Berkeley Sockets
#define _OE_SOCKETS
#include <sys/types.h>
#include <sys/soc...
How do I merge a git tag onto a branch
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Is there a way to merge all tags at once?
– ComFreek
Aug 18 '19 at 12:22
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What is the difference between .text, .value, and .value2?
...presenting what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double) or boolean)
.Value gives you the same as .Value2 except if the cell was formatted...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key.
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What is the difference between SessionState and ViewState?
... saved on the server, ViewState is saved in the page.
Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies).
The view state is posted on subsequent post back in a hidden field.
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In C++, is it still bad practice to return a vector from a function?
...o says nothing about v-tables, so you can't be sure that virtual function calls are efficient either. Essentially, you need to put some faith in the compiler at times.
– Peter Alexander
Jun 28 '10 at 23:04
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Best way to resolve file path too long exception
I created a app that downloads all document libraries in a SP Site , but at one point it giving me this error (I tried looking at google but couldn;t find anything, now if anyone knows any trick to solve this problem please respond otherwise thanks for looking at it)
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