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psql invalid command \N while restore sql
...tgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reason why COPY statem...
Why use getters and setters/accessors?
...ne app where it's never been needed. That said, if it's needed once, it'd start causing a maintenance nightmare. Good enough for a checkmark for me.
– Dean J
Oct 14 '09 at 18:24
...
startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
FirstActivity.Java has a FragmentA.Java which calls startActivityForResult() .
SecondActivity.Java call finish() but onActivityResult never get called which is
written in FragmentA.Java .
...
Rails - Could not find a JavaScript runtime?
...ails project using rails 3.1.0.rc4 on my local machine but when I try to start the server I get:
Could not find a JavaScript runtime. See here for a list of available runtimes. ( ExecJS::RuntimeUnavailable )
...
Is D a credible alternative to Java and C++? [closed]
...ere 2 standard libraries to choose from at the time (Tango and Phobos). We started with one, switched to the other, and really needed a mixture of features from both (Tangobos!). This caused headaches and some code re-write.
Bindings to other tools not available. In the end we had to switch to Direc...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...se.)
Consider the following machine, which recognizes the string "hi".
(Start) --Read h-->(A)--Read i-->(Succeed)
\ \
\ -- read any other value-->(Fail)
-- read any other value-->(Fail)
This is a simple machine to recognize a regular langu...
How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device an
...all a file..on multiple devices
FOR /F "skip=1" %x IN ('adb devices') DO start adb -s %x install -r myandroidapp.apk
If you plan on including this in a batch file, replace %x with %%x, as below
FOR /F "skip=1" %%x IN ('adb devices') DO start adb -s %%x install -r myandroidapp.apk
...
When converting a project to use ARC what does “switch case is in protected scope” mean?
...
For me, the problem started on the middle of a switch and curly brackets did not worked out, unless you have to include {} IN ALL previous case statements. For me the error came when I had the statement
NSDate *start = [NSDate date];
in the p...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...息的函数，做法如下：
GVN_BEGINDRAG // Sent when dragging starts
GVN_BEGINLABELEDIT // Sent when inplace editing starts
GVN_ENDLABELEDIT // Sent when inplace editing stops
GVN_SELCHANGING // Sent just before cell selection changes
GVN_SELCHANGED // Sent after ce...
What does “exec sp_reset_connection” mean in Sql Server Profiler? [duplicate]
...o the
server default from the previous
connection's setting.
UPDATE: Starting with SQL 2014, for client drivers with TDS version 7.3 or higher, the transaction isolation levels will be reset back to the default.
ref: SQL Server: Isolation level leaks across pooled connections
Here is some a...