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how to get android screen size programmatically, once and for all?
...ind out my screen size programmatically,
in the units used by touch events
and View measurement/layout?
In other words, I want the coordinates
of the bottom-right corner of the screen,
in the coordinate system used by touch events'
getRawX()/getRawY() and View.getLocationOnScreen() .
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How to select only date from a DATETIME field in MySQL?
...t is set up with DATETIME . I need to SELECT in this table only by DATE and excluding the time.
15 Answers
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get just the integer from wc in bash
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You can use the cut command to get just the first word of wc's output (which is the line or word count):
lines=`wc -l $f | cut -f1 -d' '`
words=`wc -w $f | cut -f1 -d' '`
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How to check a radio button with jQuery?
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@Installero actually, prep is correct since 1.6, and required since 1.9.
– John Dvorak
Apr 29 '13 at 7:25
44
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Where does PostgreSQL store the database?
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show data_directory; command points to exact location of data. Searching specific folder is painful as someone else might have installed it for you and now you do not know the configuration, so following sql helps to save the time. :) Thanks Mike.
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What is the reason for having '//' in Python? [duplicate]
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In Python 3, they made the / operator do a floating-point division, and added the // operator to do integer division (i.e. quotient without remainder); whereas in Python 2, the / operator was simply integer division, unless one of the operands was already a floating point number.
In Python 2...
Count occurrences of a char in a string using Bash
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I would use the following awk command:
string="text,text,text,text"
char=","
awk -F"${char}" '{print NF-1}' <<< "${string}"
I'm splitting the string by $char and print the number of resulting fields minus 1.
If your shell does not support the <...
Sankey Diagrams in R?
...jection data
URL <- paste0(
"https://cdn.rawgit.com/christophergandrud/networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
Target = "target", Value = "valu...
C# - How to get Program Files (x86) on Windows 64 bit
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Yes. It will return c:\program files on x86 and c:\program files (x86) on 64-bit windows.
– Nathan
Mar 1 '11 at 20:33
2
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Postgis installation: type “geometry” does not exist
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I put a pg_dump back, and had the same problem. My postgis extension puts it's data into a custom SCHEME, called postgis. I needed to run the following command, and everything was well again: DO $$ BEGIN EXECUTE 'alter database '||current_d...