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How do I parse a string to a float or int?
...e string isn't a valid integer: ValueError: invalid literal for int() with base 10: '545.222', but converting from a float to an int is a supported conversion.
– David Parks
May 7 '18 at 17:46
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Format date and time in a Windows batch script
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Here is how I generate a log filename (based on http://ss64.com/nt/syntax-getdate.html):
@ECHO OFF
:: Check WMIC is available
WMIC.EXE Alias /? >NUL 2>&1 || GOTO s_error
:: Use WMIC to retrieve date and time
FOR /F "skip=1 tokens=1-6" %%G IN ('WMIC Pat...
How to explain dependency injection to a 5-year-old? [closed]
...ass, it's natural for it to make use of other objects. You may have a database connection, for example, or some other service that you use. These other objects (or services) are dependencies. The simplest way to write the code is simply to create and use those other objects. But this means your ...
How can I open a URL in Android's web browser from my application?
...android.net.Uri instance to the 2nd parameter, and a new Intent is created based on the given data url.
And then, simply call startActivity(Intent intent) to start a new Activity, which is bundled with the Intent with the given URL.
Do I need the if check statement?
Yes. The docs says:
If th...
MySQL how to join tables on two fields
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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iPhone Navigation Bar Title text color
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Based on Steven Fisher's answer I wrote this piece of code:
- (void)setTitle:(NSString *)title
{
[super setTitle:title];
UILabel *titleView = (UILabel *)self.navigationItem.titleView;
if (!titleView) {
ti...
How to get height of entire document with JavaScript?
..., it actually tests and evaluates browser behaviour when it is loaded and, based on the result, queries the right property from there on out.
The impact of this one-time test on performance is minimal, and the plugin returns the right results in even the weirdest scenarios - not because I say so, ...
SQL Server: Difference between PARTITION BY and GROUP BY
...we have 7 rows and when we apply GROUP BY id, the server group the results based on id:
In simple words:
here GROUP BY normally reduces the number of rows returned by rolling
them up and calculating Sum() for each row.
PARTITION BY
Before going to PARTITION BY, let us look at the OVER clau...
How can I check if an element exists in the visible DOM?
... // Exists.
}
And if you can't use third-party libraries, just stick to base JavaScript:
var element = document.getElementById('elementId');
if (typeof(element) != 'undefined' && element != null)
{
// Exists.
}
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How to remove origin from git repository
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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