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Checking if jquery is loaded using Javascript
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This will still throw an error as is when jQuery is undefined. You need check for window.jQuery.
– gilly3
Sep 8 '11 at 0:23
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Difference between 'struct' and 'typedef struct' in C++?
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If you just said:
struct Foo { ... };
Foo x;
you would get a compiler error, because Foo is only defined in the tag namespace.
You'd have to declare it as:
struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets annoying fast, so you can add...
How do I redirect in expressjs while passing some context?
... show up and reset the next time you go to a page. It's handy for showing errors to users, but again it's been removed by default. EDIT: Found a library that adds this functionality.
Hopefully that will give you a general idea how to pass information around in an Express application.
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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...
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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What is the best project structure for a Python application? [closed]
Imagine that you want to develop a non-trivial end-user desktop (not web) application in Python. What is the best way to structure the project's folder hierarchy?
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How to pip install a package with min and max version range?
...ersioning works wouldn't write ~=0.2.1 in a requirements file. That's user error, not a disadvantage of the ~= prefix.
– Brad Root
Nov 7 '19 at 18:15
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How to detect the physical connected state of a network cable/connector?
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The errors about directories from grep can be ignored with: grep -s "" eth0/*
– mrtumnus
Jul 25 '18 at 0:37
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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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How to set versionName in APK filename using gradle?
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@PHPirate: almost works: Error:(34, 0) Cannot set the value of read-only property 'name'
– Mooing Duck
Dec 10 '17 at 2:11
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