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How to set auto increment primary key in PostgreSQL?
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I have tried the following script to successfully auto-increment the primary key in PostgreSQL.
CREATE SEQUENCE dummy_id_seq
START WITH 1
INCREMENT BY 1
NO MINVALUE
NO MAXVALUE
CACHE 1;
CREATE table dummyTable (
id bigint DEFAULT nextval('dum...
curl: (60) SSL certificate problem: unable to get local issuer certificate
...Hello Server Hello, Certificate, Server Hello Done Alert (level : Fatal, Description: unknown CA (48)) Can you please guide me and help me out in this ?
– user3812540
Jul 8 '14 at 4:44
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Create Windows service from executable
...the service will start? also how can I do this without user interaction? a script or code of some sort?
– John Demetriou
Nov 18 '14 at 12:16
10
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How can I capture the result of var_dump to a string?
...f you need to look at multiple variables during the execution of a complex script.
– selfawaresoup
Dec 27 '09 at 16:45
83
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Remove rows with all or some NAs (missing values) in data.frame
... sparsity of your particular dataset.
Note log scale on y axis.
Benchmark script
#------- Adjust these assumptions for your own use case ------------
row_size <- 1e6L
col_size <- 20 # not including ID column
p_missing <- 0.05 # likelihood of missing observation (except ID col)...
cscope or ctags why choose one over the other? [closed]
...run :cscope blah blah manually.
To solve the fist problem I've got a bash script cscope_gen.sh that looks like this:
#!/bin/sh
find . -name '*.py' \
-o -name '*.java' \
-o -iname '*.[CH]' \
-o -name '*.cpp' \
-o -name '*.cc' \
-o -name '*.hpp' \
> cscope.files
# -b: just build
# -q: create in...
Crontab - Run in directory
... +1. every other related question's solution is to re-write the script with absolute paths. this is exactly what I needed
– Conrad.Dean
Jun 22 '12 at 15:53
2
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How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
I'm typing a shell script to find out the total physical memory in some RHEL linux boxes.
13 Answers
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JavaScript hard refresh of current page
How can I force the web browser to do a hard refresh of the page via JavaScript?
Hard refresh means getting a fresh copy of the page AND refresh all the external resources (images, JavaScript, CSS, etc.).
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Stretch background image css?
This is my CSS script
6 Answers
6
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