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Initializing a static std::map in C++
...the following way (since C++17):
// Example
template<>
class StringConverter<CacheMode> final
{
public:
static auto convert(CacheMode mode) -> const std::string&
{
// validate...
return s_modes.at(mode);
}
private:
static inline const std::map<...
How to run a shell script in OS X by double-clicking?
...t app. But I have some problem here. I have a python script that I want to convert into an .app file. My script includes a line where the user has to type some input (raw_input()), when the .app reaches this line of code, it throws an EOF (end of file) error. What can I do about it?
...
Getting number of days in a month
...
int month = Convert.ToInt32(ddlMonth.SelectedValue);/*Store month Value From page*/
int year = Convert.ToInt32(txtYear.Value);/*Store Year Value From page*/
int days = System.DateTime.DaysInMonth(year, month); /*this will store no. o...
Adding IN clause List to a JPA Query
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You must convert to List as shown below:
String[] valores = hierarquia.split(".");
List<String> lista = Arrays.asList(valores);
String jpqlQuery = "SELECT a " +
"FROM AcessoScr a " +
...
Xcode debugging - displaying images
...about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing tool.
I have a piece of code for that purpose, which look basically like that:
...
How do DATETIME values work in SQLite?
...ions can chose to store dates and times in any of these formats and freely convert between formats using the built-in date and time functions.
SQLite built-in Date and Time functions can be found here.
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pandas GroupBy columns with NaN (missing) values
...cient topic, if someone still stumbles over this--another workaround is to convert via .astype(str) to string before grouping. That will conserve the NaN's.
df = pd.DataFrame({'a': ['1', '2', '3'], 'b': ['4', np.NaN, '6']})
df['b'] = df['b'].astype(str)
df.groupby(['b']).sum()
a
b
4 1
6 ...
Serialize form data to JSON [duplicate]
...ame. You should check if indexed_array[n['name']] already exists and if it convert it to array and add the n['value'] there. Of course you also need to check if indexed_array[n['name']] is already an array.
– Strix
May 22 '13 at 22:13
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Why shouldn't I use mysql_* functions in PHP?
...f SQL extensions.
Suppressing deprecation warnings
While code is being converted to MySQLi/PDO, E_DEPRECATED errors can be suppressed by setting error_reporting in php.ini to exclude E_DEPRECATED:
error_reporting = E_ALL ^ E_DEPRECATED
Note that this will also hide other deprecation warnings,...
Find duplicate lines in a file and count how many time each line was duplicated?
...' '\n' < yourfile | sort | uniq -d -c
^--space char
Basically: convert all space characters to linebreaks, then sort the tranlsated output and feed that to uniq and count duplicate lines.
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