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Simple way to copy or clone a DataRow?
... table.
Some things you should know about ImportRow is that there will be errors during runtime when using primary keys!
First I wanted to check whether a row already existed which also failed due to a missing primary key, but then the check always failed. In the end I decided to clear the existi...
Can git automatically switch between spaces and tabs?
... The clean filter isn't working for me. When I do git add . I get an error saying "error: external filter expand --tabs=4 --initial failed". I'm on Windows. Does that make a difference?
– Jeremy Hicks
Jun 9 '11 at 19:06
...
What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
...rDependencies:
before 3.0: are always installed if missing, and raise an error if multiple incompatible versions of the dependency would be used by different dependencies.
expected to start on 3.0 (untested): give a warning if missing on npm install, and you have to solve the dependency yourself m...
How to send data to local clipboard from a remote SSH session
... use old unicode
-version version information
-silent errors only, run in background (default)
-quiet run in foreground, show what's happening
-verbose running commentary
Report bugs to <astrand@lysator.liu.se>
$ xsel -help
Usage: xsel [options]
M...
Why does Internet Explorer not send HTTP post body on Ajax call after failure?
...we make Ajax requests every 100ms and then the network status changes, the error is easy to reproduce. Although most applications probably do not make such requests, you might well have a couple of server calls happening right after each other which could lead to this problem. Less chatty keeps IE h...
What is a “symbol” in Julia?
...You can see the difference by applying eval to them:
julia> eval(:foo)
ERROR: foo not defined
julia> foo = "hello"
"hello"
julia> eval(:foo)
"hello"
julia> eval("foo")
"foo"
What the symbol :foo evaluates to depends on what – if anything – the variable foo is bound to, wherea...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
... to add - I voted up this answer as I received a crap load of warnings and errors all of a sudden in my Xcode 5 project. You mentioned 64bit which lead me to look at my build settings. Xcode changed it to 64bit mode which threw up errors. Changing it back to arvm7 fixed all of them.
...
Using awk to remove the Byte-order mark
...OM. When you use UTF-8, decoders present the BOM as data. This is a syntax error in innumerable programs. Even Java’s decoder behaves this way, BY DESIGN! BOMs on UTF-8 files are misplaced and a pain in the butt: they are an error! They break many things. Even just cat file1.utf8 file2.utf8 file3....
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...emory:
Initializing buffer pool, size = 512.0M
A few lines down, the error message tells you MySQL will not start because it cannot reserve enough (512M) memory for the InnoDB buffer pool:
Fatal error: cannot allocate memory for the buffer pool
That begs three questions:
How much memor...
What is the standard Python docstring format? [closed]
... second param
@return: this is a description of what is returned
@raise keyError: raises an exception
"""
- reST
Nowadays, the probably more prevalent format is the reStructuredText (reST) format that is used by Sphinx to generate documentation.
Note: it is used by default in JetBrains PyCharm (t...