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How to create an empty file at the command line in Windows?
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Without redirection, Luc Vu or Erik Konstantopoulos point out to:
copy NUL EMptyFile.txt
copy /b NUL EmptyFile.txt
"How to create empty text file from a batch file?" (2008) also points to:
type NUL > EmptyFile.txt
# also
echo. 2>EmptyFile.tx...
String isNullOrEmpty in Java? [duplicate]
This surely has been asked before, but Googling doesn't find it . Is there, in any of the standard java libraries (including apache/google/...), a static isNullOrEmpty() method for Strings ?
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Static methods - How to call a method from another method?
When I have regular methods for calling another method in a class, I have to do this
6 Answers
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PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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It’s the double colon operator :: (see list of parser tokens).
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How do I set the time zone of MySQL?
... what value they are set to:
SELECT @@global.time_zone;
To set a value for it use either one:
SET GLOBAL time_zone = '+8:00';
SET GLOBAL time_zone = 'Europe/Helsinki';
SET @@global.time_zone = '+00:00';
(Using named timezones like 'Europe/Helsinki' means that you have to have a timezone table ...
Java rounding up to an int using Math.ceil
...gers with each other, which always result in a rounded down integer. Therefore the (int) Math.ceil(...) isn't doing anything. There are three possible solutions to achieve what you want. I recommend using either option 1 or option 2. Please do NOT use option 0.
##Option 0
Convert a and b to a double...
How can I enable or disable the GPS programmatically on Android?
...gled by exploiting a bug in the power manager widget. see this xda thread for discussion.
here's some example code i use
private void turnGPSOn(){
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(!provider.contains("gps")){ ...
How can I escape a double quote inside double quotes?
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Not working. x=ls; if [ -f "$(which "\""$x"\"")" ]; then echo exists; else echo broken; fi; gives broken whereas ... [ -f "$(which $x)" ]; ... or ... [ -f $(which "$x") ]; ... work just fine. Issues would arise when either $x or t...
How do I rename a repository on GitHub?
I wanted to rename one of my repositories on GitHub, but I got scared when a big red warning said:
12 Answers
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How to break lines at a specific character in Notepad++?
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Click Ctrl + h or Search -> Replace on the top menu
Under the Search Mode group, select Regular expression
In the Find what text field, type ],\s*
In the Replace with text field, type ],\n
Click Replace All
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