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Check whether user has a Chrome extension installed
...{version: '1.0'} and not {version: 1.0} or else you'll get 'Uncaught SyntaxError: Unexpected number' in extension Inspect view console.
– ET-CS
Jan 26 '15 at 5:01
1
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In the shell, what does “ 2>&1 ” mean?
...iptor 1 is the standard output (stdout).
File descriptor 2 is the standard error (stderr).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1 may look like a good way to redirect stderr to stdout. However, it will actually be interpreted as "redirect...
How do I convert dates in a Pandas data frame to a 'date' data type?
...:00:00
1 2 2013-01-02 00:00:00
2 3 2013-01-03 00:00:00
Handling ValueErrors
If you run into a situation where doing
df['time'] = pd.to_datetime(df['time'])
Throws a
ValueError: Unknown string format
That means you have invalid (non-coercible) values. If you are okay with having them co...
How to 'insert if not exists' in MySQL?
...se
repeated executions will not die due to ‘duplicate
primary key’ errors.
Method 1: using REPLACE
It’s very simple:
REPLACE INTO `transcripts`
SET `ensembl_transcript_id` = 'ENSORGT00000000001',
`transcript_chrom_start` = 12345,
`transcript_chrom_end` = 12678;
If the r...
How to exclude specific folders or files from validation in Eclipse?
...lidation in a project. For me this works for javascript and other warnings/errors.
Right Click Folder
Click Resource, ResourceFilters
Click "Add"
Set the following Exclude All, Files and Folders, All Children, add an asterisk (*) to the File and Folder Attributes input field (highlighted in the i...
What is the purpose of the “final” keyword in C++11 for functions?
...ides base::f
};
struct mostderived : derived {
//void f(); // error: cannot override!
};
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Relative imports in Python 3
...)[0] returns empty string. This is why there's empty string literal in the error description:
SystemError: Parent module '' not loaded, cannot perform relative import
The relevant part of the CPython's PyImport_ImportModuleLevelObject function:
if (PyDict_GetItem(interp->modules, package) == ...
VIM + Syntastic: how to disable the checker?
...there any way to create a single alias or map a key to toggle this? I.e., :error or Ctrl+Shift/Alt+e toggles between :SyntasticCheck and :SyntasticToggleMode.
– yoaquim
Feb 9 '15 at 19:24
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Vagrant stuck connection timeout retrying
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The GUI showed me the following error: VT-x/AMD-V hardware acceleration is not available on your system. Your 64-bit quest will fail to detect a 64-bit CPU and will not be able to boot
– SKuijers
Jan 9 '15 at 11:34
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String was not recognized as a valid DateTime “ format dd/MM/yyyy”
...
You can also right click on the error and click resolve this will put in the missing namespace for you.
– Inkey
Jan 8 '14 at 16:36
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