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How do you use the ellipsis slicing syntax in Python?
...ay([ 0, 2, 4, 6, 8, 10, 12, 14])
In your own implementations, you're free to ignore the contract mentioned above and use it for whatever you see fit.
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Iterate over each line in a string in PHP
...o something with the rest of the lines here...*/
}
//the bit that frees up memory
strtok('', '');
}
If you're only concerned with physical files (eg. datamining):
According to the manual, for the file upload part you can use the file command:
//Create the array
$lines = file( $som...
Stack Memory vs Heap Memory [duplicate]
...s of malloc end up on the heap. Heap memory almost always must be manually freed, though you should really use a smart pointer class or similar to avoid needing to remember to do so. Running out of heap memory can (will?) result in a std::bad_alloc.
...
Are there any CSV readers/writer libraries in C#? [closed]
...Project called A Fast CSV Reader. Probably one of the best for C# and it's free.
As far as writing, just use StreamWriter.
Here is some boilerplate code for writing a DataGridView to a file:
private void exportDGVToCSV(string filename)
{
if (dataGridView1.Columns.Count != 0)
{
...
Upgrade python in a virtualenv
...b/python2.7/site-packages/pip
rm -r lib/python2.7/site-packages/pip-*.dist-info
rm -r lib/python2.7/site-packages/setuptools
rm -r lib/python2.7/site-packages/setuptools-*.dist-info
Finally, re-create your virtual environment:
virtualenv <EXISTING_ENV_PATH>
By doing so, old Python core fi...
The term “Context” in programming? [closed]
... a tooth pulled out.
When the receptionist asks you for your name, that's information they need in order to begin the appointment. In this example, your name is contextual information. So in the context of visiting the dentist, you need to provide your name to get your tooth pulled.
Now let's say ...
Parsing CSV files in C#, with header
...eed to generate csv files then use this one: FileHelpers
Both of them are free and opensource.
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Limiting the number of records from mysqldump?
...e: mysqldump --opt --where="1 limit 1000000 offset 1000000" --no-create-info database to get the second page of 1 million records. Make sure to use the --no-create-info flag on pages other than the first to only dump the data and leave off the create table stuff.
– pfur...
How do I escape a single quote in SQL Server?
...'s Comp" is actually the unicode value.If your client application supports free-key, as well as copy and paste based input, it could be Unicode in some rows, and ASCII in others!
A simple way to confirm this is by doing some kind of open ended query that will bring back the value you are searching f...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...usr/libexec/PlistBuddy -c "Set :CFBundleShortVersionString $buildNumber" "$INFOPLIST_FILE" # Version number
/usr/libexec/PlistBuddy -c "Set :CFBundleVersion $buildNumber" "$INFOPLIST_FILE" # Build number
echo "DateTime for app version number: $buildNumber"
Or do a hybrid, with a conventional 1.2...
