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Convert datetime to Unix timestamp and convert it back in python
... %s does not work on Windows systems (ValueError: Invalid format string)
– chrki
May 3 '17 at 8:13
1
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How do we use runOnUiThread in Android?
...then call this function from your background thread.
public void debugMsg(String msg) {
final String str = msg;
runOnUiThread(new Runnable() {
@Override
public void run() {
mInfo.setText(str);
}
});
}
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How to convert View Model into JSON object in ASP.NET MVC?
... but never found Json.Encode and just used JavaScriptSerializer to add the string in the controller to the view model
– AaronLS
Aug 31 '12 at 23:14
5
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Can't escape the backslash with regex?
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If you're putting this in a string within a program, you may actually need to use four backslashes (because the string parser will remove two of them when "de-escaping" it for the string, and then the regex needs two for an escaped regex backslash).
Fo...
Check if a dialog is displayed with Espresso
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I currently use this and it seems to work fine.
onView(withText(R.string.my_title))
.inRoot(isDialog()) // <---
.check(matches(isDisplayed()));
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improve this answer
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CSS Box Shadow Bottom Only [duplicate]
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Do this:
box-shadow: 0 4px 2px -2px gray;
It's actually much simpler, whatever you set the blur to (3rd value), set the spread (4th value) to the negative of it.
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impr...
How do I test if a variable is a number in Bash?
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Without bashisms (works even in the System V sh),
case $string in
''|*[!0-9]*) echo bad ;;
*) echo good ;;
esac
This rejects empty strings and strings containing non-digits, accepting everything else.
Negative or floating-point numbers need some additional work. An idea...
How to elegantly rename all keys in a hash in Ruby? [duplicate]
...in as_json() call, and although the main attributes keys were converted to string, the options.merge(:methods => [:blah]) then that is a key in the map not a string.
– peterept
Mar 8 '13 at 1:04
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How to check a not-defined variable in JavaScript
...lejandroSilva Sorry for late reply. That won't work since typeof returns a string, so it will return 'undefined' for an undefined variable, which in turn will evaluate as TRUE therefore leading to a false positive of a defined var.
– Dmitri Farkov
Mar 17 '15 at...
Double decimal formatting in Java
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Use String.format:
String.format("%.2f", 4.52135);
As per docs:
The locale always used is the one returned by Locale.getDefault().
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