大约有 19,000 项符合查询结果（耗时：0.0441秒） [XML]
How to read the database table name of a Model instance?
...d part of the public API. It is prefixed with the leading underscore to avoid conflicts with names that people may actually want to use on their models.
– Ryan Hiebert
Jun 26 '18 at 14:47
...
What is the best way to uninstall gems from a rails3 project?
...es
EDIT - 24.12.2014
I see that people keep coming to this question I decided to add a little something.
The answer I gave was for the case when you maintain your gems global. Consider using a gem manager such as rbenv or rvm to keep sets of gems scoped to specific projects.
This means that no ge...
How to drop multiple columns in postgresql
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How do I delete/remove a shell function?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Bash/sh - difference between && and ;
...ersion is more portable, e.g. will be supported by a bash-subset like Android's shell or so?
7 Answers
...
git: How do I get the latest version of my code?
...eset the code
git fetch origin
git reset --hard origin/[tag/branch/commit-id usually: master]
Solution 2: Delete the folder and clone again :D
rm -rf [project_folder]
git clone [remote_repo]
Case 2: Care about local changes
Solution 1: no conflicts with new-online version
git fetch origin
g...
SQLAlchemy default DateTime
...se = declarative_base()
class Test(Base):
__tablename__ = 'test'
id = Column(Integer, primary_key=True)
created_date = Column(DateTime, default=datetime.datetime.utcnow)
share
|
impro...
How to break out of a loop in Bash?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Custom exception type
...ge: "Error detected. Please contact the <a href=\"mailto:sysadmin@acme-widgets.com\">system administrator</a>.",
toString: function(){return this.name + ": " + this.message;}
};
share
|
...
Difference between OperationCanceledException and TaskCanceledException?
...dn.microsoft.com/pfxteam/2012/03/05/… . Then if I throw an exception inside an await enumerable.ForEachAsync( async () => { throw new ApplicationException( "Test" ); } ); somehow it is 'changed' to a TaskCanceledException. Any idea how that might be? This is problem for me as I want to catch...