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What does it mean by select 1 from table?
I have seen many queries with something as follows.
15 Answers
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Changing website favicon dynamically
I have a web application that's branded according to the user that's currently logged in. I'd like to change the favicon of the page to be the logo of the private label, but I'm unable to find any code or any examples of how to do this. Has anybody successfully done this before?
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How to prevent that the password to decrypt the private key has to be entered every time when using
I've an automatic building service which download from a git private repository.
The problem is that when it tries to clone repository it need to provide the password, because it is not remembered; so because there is no human interaction, it waits forever the password.
How can I force it to remembe...
Xcode: Build Failed, but no error messages
Using Xcode 4.5.1. Our project has been building fine for the last three months, but suddenly, when I try to build, it says "Build failed", but does not show any errors on the triangle exclamation mark tab, nor does it give a reason when it pops up build failed.
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How to update attributes without validation
...lidations, and I found out that I can't update an attribute without validating the object before.
6 Answers
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Undo git pull, how to bring repos to old state
... git pull so that my source/repos will come to old state that was before doing git pull ?
I want to do this because it merged some files which I didn't want to do so, but only merge other remaining files. So, I want to get those files back, is that possible?
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How to change column datatype in SQL database without losing data
...and I just realized that I can change the type of one of the columns from int to bool .
11 Answers
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Is JavaScript guaranteed to be single-threaded?
JavaScript is known to be single-threaded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded?
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How to get a thread and heap dump of a Java process on Windows that's not running in a console
I have a Java application that I run from a console which in turn executes an another Java process. I want to get a thread/heap dump of that child process.
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How do I remove the first characters of a specific column in a table?
In SQL, how can I remove the first 4 characters of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
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