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Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...行所定义的命令。make会比较targets文件和prerequisites文件的修改日期，如果prerequisites文件的日期要比targets文件的日期要新，或者target不存在的话，那么，make就会执行后续定义的命令。
make会在当前目录下找名字叫“Makef...
Generating a random & unique 8 character string using MySQL
...e data about the vehicles, including the column "plate" which stores the License Plates for the vehicles.
22 Answers
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How to “git clone” including submodules?
...thub.com/foo/bar.git
cd bar
Editor’s note: -j8 is an optional performance optimization that became available in version 2.8, and fetches up to 8 submodules at a time in parallel — see man git-clone.
With version 1.9 of Git up until version 2.12 (-j flag only available in version 2.8+):
git c...
Elasticsearch query to return all records
...
I think lucene syntax is supported so:
http://localhost:9200/foo/_search?pretty=true&q=*:*
size defaults to 10, so you may also need &size=BIGNUMBER to get more than 10 items. (where BIGNUMBER equals a number you believe is b...
CSS file not opening in Visual Studio 2010 SP1?
...tension Manager, so I had to go to the website and download it manually. Once I ran the installer (it defaults to "repair") and restarted Visual Studio, I could edit CSS files again.
– CBono
Sep 16 '11 at 5:39
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How can I determine if a String is non-null and not only whitespace in Groovy?
Groovy adds the isAllWhitespace() method to Strings, which is great, but there doesn't seem to be a good way of determining if a String has something other than just white space in it.
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How to center an element horizontally and vertically
I am trying to center my tabs content vertically, but when I add the CSS style display:inline-flex , the horizontal text-align disappears.
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View the Task's activity stack
...contacts/.ViewContactActivity}
packageName=com.android.contacts processName=android.process.acore
launchedFromUid=10004 app=ProcessRecord{44c4f348 1168:android.process.acore/10004}
Intent { act=android.intent.action.VIEW dat=content://com.android.contacts/contacts/lookup/144i...
Can't push to GitHub because of large file which I already deleted
...epositories. It should not be performed without understanding the consequences.
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How can I get the SQL of a PreparedStatement?
...tatements, there is no "SQL query" :
You have a statement, containing placeholders
it is sent to the DB server
and prepared there
which means the SQL statement is "analysed", parsed, some data-structure representing it is prepared in memory
And, then, you have bound variables
which are sent t...