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Select all columns except one in MySQL?
... This is way worse than just specifying the columns which is a known best practice.
– HLGEM
Jan 16 '14 at 18:08
3
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Find column whose name contains a specific string
...
Just iterate over DataFrame.columns, now this is an example in which you will end up with a list of column names that match:
import pandas as pd
data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)
s...
How to make a phone call using intent in Android?
...t placed call permissions tag before application tag in manifest file
and now every thing is working fine.
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Store boolean value in SQLite
...ximum of 127. One character really.
A C example from what I'm working on now. has() is a function that returns 1 if the 2nd string is in the first one. inp is the input string to this function. misc is an unsigned char initialized to 0.
if (has(inp,"sap='Spanish'") > 0)
misc += 1;
if (has...
jQuery: click function exclude children.
...d != true ) {
// It is clicked on parent but not on child.
// Now do some action that you want.
alert('Clicked on parent');
}else{
alert('Clicked on child');
}
childElementClicked = false;
});
#parentElement{
width:200px;
height:200px;
backg...
When does a process get SIGABRT (signal 6)?
...alled
terminate called without an active exception
Aborted (core dumped)
now lets quickly see the core file, and validate that SIGABRT was indeed called:
gdb aa core
see regs:
i r
rdx 0x6 6
rsi 0x69a 1690
rdi 0x69a 1690
rip 0x7feae3170c37
...
How can I return camelCase JSON serialized by JSON.NET from ASP.NET MVC controller methods?
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@SharpCoder did you find any better alternative, now, 3 years later?
– DARKGuy
Aug 31 at 3:45
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How do I find duplicate values in a table in Oracle?
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You're welcome. Now I'm about to post my own question on the differences between count(column) and count(*). :)
– Bill the Lizard
Sep 12 '08 at 15:23
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Convert Unix timestamp to a date string
...-r the same as these other implementations. So unfortunately you have to know which version of date you're using, and many older Unix date commands don't support either option.
Even worse, POSIX date recognizes neither -d nor -r and provides no standard way in any command at all (that I know of) t...
How to add 'ON DELETE CASCADE' in ALTER TABLE statement
...d try your above command, put add constraint instead of modify constraint.
Now this is the command:
ALTER TABLE child_table_name
ADD CONSTRAINT fk_name
FOREIGN KEY (child_column_name)
REFERENCES parent_table_name(parent_column_name)
ON DELETE CASCADE;
...