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Simple logical operators in Bash
...oup commands, but they only influence parsing, not grouping. The program x=2; { x=4; }; echo $x prints 4, whereas x=2; (x=4); echo $x prints 2. (Also braces require spaces around them and a semicolon before closing, whereas parentheses don't. That's just a syntax quirk.)
With a leading dollar sign...
In Python, how do I determine if an object is iterable?
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Shadow Effect for a Text in Android? [duplicate]
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Perhaps you'd consider using android:shadowColor, android:shadowDx, android:shadowDy, android:...
Convert Time from one time zone to another in Rails
..._zone method of the DateTime class
Loading development environment (Rails 2.3.2)
>> now = DateTime.now.utc
=> Sun, 06 Sep 2009 22:27:45 +0000
>> now.in_time_zone('Eastern Time (US & Canada)')
=> Sun, 06 Sep 2009 18:27:45 EDT -04:00
>> quit
So for your particular exampl...
How to make PyCharm always show line numbers
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Version 2.6 and above:
PyCharm (far left menu) -> Preferences... -> Editor (bottom left section) -> General -> Appearance -> Show line numbers checkbox
Version 2.5 and below:
Settings -> Editor -> General ->...
ASP.NET Identity reset password
...);//"<YourLogicAssignsRequestedUserId>";
String newPassword = "test@123"; //"<PasswordAsTypedByUser>";
String hashedNewPassword = UserManager.PasswordHasher.HashPassword(newPassword);
ApplicationUser cUser = await store.FindByIdAsync(userId);
await store.SetPasswordHa...
PHP json_decode() returns NULL with valid JSON?
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What are the most common SQL anti-patterns? [closed]
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Extracting text OpenCV
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You can detect text by finding close edge elements (inspired from a LPD):
#include "opencv2/opencv.hpp"
std::vector<cv::Rect>...
Why is it not advisable to have the database and web server on the same machine?
...to Scott Hanselman's interview with the Stack Overflow team ( part 1 and 2 ), he was adamant that the SQL server and application server should be on separate machines. Is this just to make sure that if one server is compromised, both systems aren't accessible? Do the security concerns outweigh t...