大约有 19,000 项符合查询结果（耗时：0.0472秒） [XML]
Browse orphaned commits in Git
...ommit 7949837, 06 Jul 2016)
reflog: continue walking the reflog past root commits
If a repository contains more than one root commit, then its HEAD reflog may contain multiple "creation events", i.e. entries whose "from" value is the null sha1.
Listing such a reflog currently stops prem...
Why is Magento so slow? [closed]
...o slow
Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying multiple rows
There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML ...
JavaScript get window X/Y position for scroll
...ou have applied a border (not padding or margin, but actual border) to the root element, and at that, possibly only in certain browsers.
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NerdTree - Reveal file in tree
... tree exists for the current tab,
or the file is not under the current root, then initialize a new tree where
the root is the directory of the current file.
I don't think it's bound to anything by default, so you have to do a keybind yourself.
nmap ,n :NERDTreeFind<CR>
is what app...
Inheritance vs. Aggregation [closed]
...e functionality of the original class, is to split the original class in a root class and a sub class. And let the new class inherit from the root class. But you should take care with this, not to create an illogical separation.
Lets add an example. We have a class 'Dog' with methods: 'Eat', 'Walk'...
Get the IP address of the machine
...vironment
This is a good workaround for /etc/hosts in case you are not root
Same as /etc/hosts. but use the environment for this. You can try /etc/profile or ~/.profile for this.
Hence if your program needs a variable MYPUBLICIP then you can include code like (this is C, feel free to create ...
Why do we use arrays instead of other data structures?
...ss it, because I don't know where it is in memory. All I know is where the root (P1) is, so instead I have to start at P1, and follow each pointer to the desired node.
This is a O(N) look up time (The look up cost increases as each element is added). It is much more expensive to get to P1000 compa...
How to tell bash that the line continues on the next line
...st character before the end of line character. Consider this command:
mysql -uroot \
-hlocalhost
If there is a space after \, the line continuation will not work. The reason is that \ removes the special meaning for the next character which is a space not the invisible line feed cha...
When increasing the size of VARCHAR column on a large table could there be any problems?
... That's because you're not using SQL Server per the question (but MySQL, probably). "ALTER TABLE ... MODIFY" is not valid T-SQL.
– Jeroen Mostert
Nov 27 '14 at 9:08
a...
Multiple select statements in Single query
I am generating a report in php (mysql),
6 Answers
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