大约有 47,000 项符合查询结果(耗时:0.0520秒) [XML]

https://stackoverflow.com/ques... 

How do you run a crontab in Cygwin on Windows?

... SYSTEM. Poor SYSTEM therefore needs a home directory and a shell. The “/etc/passwd” file will define them. $ mkdir /root $ chown SYSTEM:root /root $ mcedit /etc/passwd SYSTEM:*:......:/root:/bin/bash The start the service: $ cron-config Do you want to remove or reinstall it (yes/no) yes Do ...
https://stackoverflow.com/ques... 

Bootstrap NavBar with left, center or right aligned items

...her alignment scenarios demonstrated here. The flexbox, auto-margins, and ordering utility classes can be used to align Navbar content as needed. There are many things to consider including the order and alignment of Navbar items (brand, links, toggler) on both large screens and the mobile/collapse...
https://stackoverflow.com/ques... 

Accessing dict_keys element by index in Python3

...rted(dict) would do the exact same thing; produce a list of keys in sorted order. list(dict) will give you the list in dictionary order. – Martijn Pieters♦ May 9 '18 at 16:11 1 ...
https://stackoverflow.com/ques... 

Resizing an iframe based on content

...izePipe()"> <iframe id="helpframe" src='' height='0' width='0' frameborder='0'></iframe> <script type="text/javascript"> function iframeResizePipe() { // What's the page height? var height = document.body.scrollHeight; // Going to 'pipe' the data to the pare...
https://stackoverflow.com/ques... 

windows service vs scheduled task

...dly prototyping", as my IT Dept often does, you do whatever you have to in order to make ends meet. Once the prototyping and proof of concept stuff is out of the way, usually in the early planning and discovering, you have to decide what's more reliable for long term sustainability. OK, so in concl...
https://stackoverflow.com/ques... 

mysql - how many columns is too many?

...es NOT mean table is denormalized. Think real estate contracts / purchase orders / other financial documents just to name a few examples. Can they be further split up into multiple tables? Yes. Any reason to do so? Not really. – ChssPly76 Sep 25 '09 at 19:55 ...
https://stackoverflow.com/ques... 

Unique combination of all elements from two (or more) vectors

...3 ABC 2012-05-05 14 DEF 2012-05-05 15 GHI 2012-05-05 If the resulting order isn't what you want, you can sort afterwards. If you name the arguments to expand.grid, they will become column names: df = expand.grid(a = a, b = b) df[order(df$a), ] And expand.grid generalizes to any number of inp...
https://stackoverflow.com/ques... 

Oracle SELECT TOP 10 records

...oblem with an SQL Statement in Oracle. I want to select the TOP 10 Records ordered by STORAGE_DB which aren't in a list from an other select statement. ...
https://stackoverflow.com/ques... 

In Visual Studio C++, what are the memory allocation representations?

...--0xCC with no additional byte--because an opcode must be only one byte in order to function as a reliable 'fill byte' for unused memory. The point here is to allow for graceful recovery if the processor mistakenly jumps into memory that does not contain any intended instructions. Multi-byte instru...
https://stackoverflow.com/ques... 

Effective way to find any file's Encoding

...had greater success determining a file's endianness, by analyzing its byte order mark (BOM). If the file does not have a BOM, this cannot determine the file's encoding. *UPDATED 4/08/2020 to include UTF-32LE detection and return correct encoding for UTF-32BE /// <summary> /// Determines a te...