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Is errno thread-safe?
...umber by several library functions. If a macro definition is suppressed in order to access an actual object, or a program defines an identifier with the name errno, the behavior is undefined. [...continued...]
– Jonathan Leffler
Aug 25 '14 at 16:26
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How To fix white screen on app Start up?
... I know as an Android Developer, this is the only thing you need to set in order to hide the white screen on the start of the application.
Efficiently test if a port is open on Linux?
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In order to check for port 80 I needed to use awk '$6 == "LISTEN" && $4 ~ "80$"'. Instead of checking for the dot before the port number with \.80, I used 80$. Otherwise, this also matched IP addresses containing .80 and...
MySQL Error 1215: Cannot add foreign key constraint
... where the foreign key columns are listed as the first columns in the same order. Such an index is created on the referencing table automatically if it does not exist. This index might be silently dropped later, if you create another index that can be used to enforce the foreign key constraint. inde...
Using CSS for a fade-in effect on page load
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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C#: why sign an assembly?
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Signing and assembly is important.
In order to ensure that exe or assembly that is installed on that PC only.
Ie: if you copy that folder and put into another PC it does not work. since it is signing that assembly in to that machine only.
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Get decimal portion of a number with JavaScript
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In order to work with negative number, simply swap Math.floor with Math.trunc.
– Igor Silva
Oct 19 '18 at 12:49
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Converting string from snake_case to CamelCase in Ruby
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In order to use these methods of Rails from pure Ruby, require "active_support/core_ext/string" is suffice, providing Rails is installed already.
– Masa Sakano
Jun 23 '18 at 2:03
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Access restriction on class due to restriction on required library rt.jar?
...versions of Eclipse is not to delete the JRE System Library, but to go to "Order and Export" tab and just move JRE System Library to the bottom (which is effectively what deleting and adding it does, but you don't need to delete and add to do it).
– user1676075
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How can I wrap or break long text/word in a fixed width span?
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It needs to have a width in order to know where to break
– DFSFOT
Aug 28 '18 at 23:24
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