大约有 47,000 项符合查询结果(耗时:0.0594秒) [XML]
When to use -retainCount?
I would like to know in what situation did you use -retainCount so far, and eventually the problems that can happen using it.
...
Sending emails in Node.js? [closed]
... github.com/marak/node_mailer is deprecated. Should use this github.com/andris9/Nodemailer
– user470370
Jul 31 '12 at 6:17
...
How do I tell if a regular file does not exist in Bash?
...
The test command ([ here) has a "not" logical operator which is the exclamation point (similar to many other languages). Try this:
if [ ! -f /tmp/foo.txt ]; then
echo "File not found!"
fi
...
Android emulator failed to allocate memory 8
...
Update: Starting with Android SDK Manager version 21, the solution is to edit C:\Users\<user>\.android\avd\<avd-profile-name>.avd\config.ini and change the value
hw.ramSize=1024
to
hw.ramSize=1024MB
The emulator is really sl...
What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
...
Is the LIKE operator case-sensitive with MSSQL Server?
...when a new database is created it inherits the collation from the instance and when a new column is created it inherits the collation from the database it belongs.
A collation like sql_latin1_general_cp1_ci_as dictates how the content of the column should be treated. CI stands for case insensitive...
Storing Data in MySQL as JSON
I thought this was a n00b thing to do. And, so, I've never done it. Then I saw that FriendFeed did this and actually made their DB scale better and decreased latency. I'm curious if I should do this. And, if so, what's the right way to do it?
...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
I've googled endlessly for a method of getting a complete (and daily updated) list of all Yahoo ticker symbols available through http://finance.yahoo.com
...
How do you stash an untracked file?
I have changes to a file, plus a new file, and would like to use git stash to put them away while I switch to another task. But git stash by itself stashes only the changes to the existing file; the new file remains in my working tree, cluttering up my future work. How do I stash this untracked fi...
WHERE vs HAVING
...ns you create yourself (for example select 1 as "number" ) after HAVING and not WHERE in MySQL?
7 Answers
...