大约有 40,000 项符合查询结果（耗时：0.0673秒） [XML]
In PyCharm, how to go back to last location?
...
All in all, it has nothing with PyCharm;
In my case, there was a global key combo of another program, that masked Ctrl-Alt-Left
I solve it by remapping "file > settings > keymap > main menu > navigate > back"...
windows batch SET inside IF not working
...
var2 is set, but the expansion in the line echo %var2% occurs before the block is executed.
At this time var2 is empty.
Therefore the delayedExpansion syntax exists, it uses ! instead of % and it is evaluated at execution time, not parse time.
...
Convert JavaScript String to be all lower case?
How can I convert a JavaScript string value to be in all lower case letters?
14 Answers
...
How to use MySQL DECIMAL?
...et in trouble if you use DOUBLE columns for financial data.
DOUBLE is actually just a double precision (64 bit instead of 32 bit) version of FLOAT. Floating point numbers are approximate representations of real numbers and they are not exact. In fact, simple numbers like 0.01 do not have an exact r...
Querying data by joining two tables in two database on different servers
...
You'll need to use sp_addlinkedserver to create a server link. See the reference documentation for usage. Once the server link is established, you'll construct the query as normal, just prefixing the database name with the other server. I.E:
...
How can I get form data with JavaScript/jQuery?
... Nvm, found it in the comments for the serialize() function. It's called serializeArray. It returns an array of arrays (which contain an entry "name" and "value") but that should be easy enough to transform.
– Bart van Heukelom
Feb 16 '10 at 21:33
...
Keep-alive header clarification
... is recognized by source IP and port and destination IP and port. Your OS, all intermediate session-aware devices and the server's OS will recognize the connection by this.
HTTP works with request-response: client connects to server, performs a request and gets a response. Without keep-alive, the c...
reformat in vim for a nice column layout
...ion for this.
Locate to the longest word and place cursor after it.
Remove all the extra whitespace using dw and vertical movement.
Example of this technique demonstrated below:
I don't find myself needing to align things often enough to install another plugin, so this was my preferred way of a...
What does “@private” mean in Objective-C?
... (id)init {
if (self = [super init]) {
other = [[MySecondClass alloc] init];
// Neither MyFirstClass nor MySecondClass provided any
// accessor methods, so if we're going to access any ivars
// we'll have to do it directly, like this:
other->publicNum...