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Import CSV to SQLite
...sqlite> create table foo(a, b);
sqlite> .mode csv
sqlite> .import test.csv foo
The first command creates the column names for the table. However, if you want the column names inherited from the csv file, you might just ignore the first line.
...
Check if a value exists in pandas dataframe index
...d with column headings rather than an index, e.g.: df = pandas.DataFrame({'test':[1,2,3,4]}, columns=['a','b','c','d'])
– Tahlor
Jun 22 '18 at 14:54
...
Getting RAW Soap Data from a Web Reference Client running in ASP.net
...e();
sr.Dispose();
File.WriteAllText(@"C:\test.txt", response);
byte[] ResponseBytes = Encoding.ASCII.GetBytes(response);
MemoryStream ms = new MemoryStream(ResponseBytes);
return ms;
}
else
...
How to make a HTTP request using Ruby on Rails?
...afely parameters in the URL? Eg: http ://www.example.com/index.html?param1=test1&param2=test2. Then I need to read from the other website parameters and prepare the responce. But how can I read parameters?
– user502052
Jan 3 '11 at 0:01
...
How can I autoformat/indent C code in vim?
... like.
Here's a demo. Before astyle:
int main(){if(x<2){x=3;}}
float test()
{
if(x<2)
x=3;
}
After astyle (gggqG):
int main()
{
if (x < 2)
{
x = 3;
}
}
float test()
{
if (x < 2)
x = 3;
}
Hope that helps.
...
Does .asSet(…) exist in any API?
... this, the most common reason to construct a Set (or List) by hand is in a test class where you are passing in test values.
– Scott McIntyre
May 20 '16 at 14:17
add a comment
...
Why is the Java main method static?
...guage Specification
Check out Chapter 12 Execution - Section 12.1.4 Invoke Test.main:
Finally, after completion of the initialization for class Test (during which other consequential loading, linking, and initializing may have occurred), the method main of Test is invoked.
The method main must be d...
Returning value from called function in a shell script
...ere's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
retval="true"
else
ec...
Get names of all keys in the collection
...ach(function(doc){Object.keys(doc).forEach(function(key){ if (/YOURREGEXP/.test(key)) {allKeys[key]=1}})});
– Li Chunlin
Mar 27 '17 at 4:22
...
ALTER TABLE to add a composite primary key
...er table parent drop column id;
ERROR 1025 (HY000): Error on rename of
'./test/#sql-a04_b' to './test/parent' (errno: 150).
If you want to drop a primary key that's being referenced by another table, you will have to drop the foreign key in that other table first. You can recreate that foreign k...