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MySQL load NULL values from CSV data
...one, two, three, @vfour, five)
SET four = NULLIF(@vfour,'')
;
If they're all possibly empty, then you'd read them all into variables and have multiple SET statements, like this:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(@vone, @vtwo, @v...
Free space in a CMD shell
...unt of free diskspace of a disk or a folder in a CMD
without having to install some thirdparty applications?
9 Answers
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IntelliJ - Convert a Java project/module into a Maven project/module
...ou mean adding source repository elements, I think you need to do that manually–not sure.
Pre-IntelliJ 13 this won't convert the project to the Maven Standard Directory Layout, 13+ it will.
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Save the console.log in Chrome to a file
...the flags:
--enable-logging --v=1
This logs everything Chrome does internally, but it also logs all the console.log() messages as well. The log file is called chrome_debug.log and is located in the User Data Directory.
Filter the log file you get for lines with CONSOLE(\d+).
Note that console l...
if/else in a list comprehension
...
You can totally do that. It's just an ordering issue:
[unicode(x.strip()) if x is not None else '' for x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f...
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...case since I'm using it as protection against non-ASCII input which is not allowed by my application.
Alternatively: Use the open method from the codecs module to read in the file:
import codecs
with codecs.open(file_name, 'r', encoding='utf-8',
errors='ignore') as fdata:
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.gitignore is ignored by Git
... edited Feb 21 at 3:16
Abel Callejo
9,05577 gold badges4444 silver badges6262 bronze badges
answered Jul 12 '12 at 12:20
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How to inspect FormData?
...oo, bar)To take any number of argument you could use the apply method and call it as such: console.log.apply(console, array).
But there is a new ES6 way to apply arguments with spread operator and iteratorconsole.log(...array).
Knowing this, And the fact that FormData and both array's has a Symbol....
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... NULL is less efficient
In PostgreSQL, NOT IN is less efficient
In Oracle, all three methods are the same.
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Chrome DevTools Devices does not detect device when plugged in
...s://developers.google.com/chrome-developer-tools/docs/remote-debugging
Install Windows USB driver http://developer.samsung.com/android/tools-sdks/Samsung-Android-USB-Driver-for-Windows
Install Android SDK http://developer.android.com/sdk/index.html
Install Android SDK Platform-tools http://developer...