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Why do we need C Unions?
When should unions be used? Why do we need them?
18 Answers
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Given two directory trees, how can I find out which files differ by content?
If I want find the differences between two directory trees, I usually just execute:
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How to create a file with a given size in Linux?
For testing purposes I have to generate a file of a certain size (to test an upload limit).
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
I have a table with not null column, How to set a null value in this column as default?
4 Answers
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Android SDK installation doesn't find JDK
...nd try the back-next option first, and then try setting JAVA_HOME like the error message says, but if that doesn't work for you either, then try this:
Do as it says, set JAVA_HOME in your environment variables, but in the path use forward slashes instead of backslashes.
Seriously.
For me it faile...
What is Pseudo TTY-Allocation? (SSH and Github)
I was trying to setup an SSH connection with Github following this tutorial: https://help.github.com/articles/testing-your-ssh-connection/
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How can I kill a process by name instead of PID?
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When i execute this, i got the error kill: invalid number 'pidof myprogram'. What is bad in here?.
– Brethlosze
Sep 20 '17 at 2:59
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How to replace a hash key with another key
...but you should be aware that using those two operators in ruby is not only error prone but also very dangerous when used wrong in validations against injections. See here for an explanation. Hope you don't mind spreading the awareness.
– Jorn van de Beek
Sep ...
“Invalid form control” only in Google Chrome
...t in Chrome and Firefox the form will not submit. Chrome console logs the error An invalid form control with name='' is not focusable . Any ideas?
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How to fix Error: “Could not find schema information for the attribute/element” by creating schema
... windows forms application written in VS2010 with C# and get the following errors in the app.config file:
10 Answers
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