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What does the caret (^) character mean?
... master branch, favoring the first parent in cases of ambiguity. These specifiers can be chained arbitrarily
, e.g., topic~3^2. See related answer to What’s the difference between HEAD^ and HEAD~ in Git?
For the full details, see the “Specifying Revisions” section of git rev-parse --help.
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Sublime Text 2: How to delete blank/empty lines
...p in Hugo's answer is correct when there is no spaces in the line. In case if there are space regexp can be ^\s+$
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How do I put my website's logo to be the icon image in browser tabs?
...ile, which is the standard file type for favicons. You could use .png or .gif too, but you should follow the standard for better compatibility.
To set one for your website you should:
Make a square image of your logo (preferably 32x32 or 16x16 pixels, as far as I know there's no max size*), and t...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
...名，这些名称在任何数据库中都不建议使用中文。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
1.3版本更新（2025/09/24）
查询SQL结果优化为AppInventor标准的二维列表，通过列表索引可以取到单元格...
Which version of CodeIgniter am I currently using?
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@TylerCollier Because thats what the question is, It asks if there is an option to spit out? I bet you read the question again before posting.
– Clain Dsilva
Mar 4 '15 at 4:30
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Uncaught ReferenceError: jQuery is not defined [duplicate]
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I have also encountered this problem when the certificate for the site expires. Today I got it and all of my sites started failing on refresh because of it. On your console you'll only see: ReferenceError: jQuery is not defined The problem is you won't find the cause u...
Android - print full exception backtrace to log
... @SignoffTeamz You could just read the documentation. It's an identifier that shows up the log that makes it easier for you to filter the log and see which app (and which part of it) wrote the message. developer.android.com/reference/android/util/…, java.lang.String, java.lang.Throwable)
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SQL to find the number of distinct values in a column
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Be aware that Count() ignores null values, so if you need to allow for null as its own distinct value you can do something tricky like:
select count(distinct my_col)
+ count(distinct Case when my_col is null then 1 else null end)
from my_table
/
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What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?
...is not updated accordingly when the Project SDK is changed, see SCL-10085. If you have the other JDK (1.7 in my example) generally configured, no error will occur, but the Project SDK will silently be changed back. Otherwise, this error occurs.
The problem can easily be resolved by manually editing...
How do I count unique values inside a list
...he user how many of those values are unique.
I'm building this for real life reasons and not as a problem set.
13 Answers...