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FIND_IN_SET() vs IN()
..."aname".
Let's take table B which has columns named "bid","bname","aids".
Now there are dummy values in Table A and Table B as below.
Table A
aid aname
1 Apple
2 Banana
3 Mango
Table B
bid bname aids
1 Apple 1,2
2 Banana 2,1
3 Mango 3,1,2
enter code here
Case...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
...
Google Play app description formatting
I've made an Android application that is available on Google Play. Now I want to add some more formatting to my app description (eg. indent, links, lists..). But I cannot find any website where possible formatting is listed. Google Help pages cannot help me either on this subject. There exists a lot...
Which @NotNull Java annotation should I use?
...
package javax.annotation;
@TypeQualifierNickname
@Nonnull(when = When.UNKNOWN)
@Retention(RUNTIME)
public @interface Nullable {}
package org.checkerframework.checker.nullness.qual;
@Retention(RUNTIME)
@Target({TYPE_USE, TYPE_PARAMETER})
@SubtypeOf({})
@ImplicitFor(
literals = {LiteralKind....
How to write iOS app purely in C
...plicationMain(int, ...);
// Entry point of the application. If you don't know what this is by now,
// then you probably shouldn't be reading the rest of this post.
int main(int argc, char *argv[])
{
// Create an @autoreleasepool, using the old-stye API.
// Note that while NSAutoreleasePoo...
How to get random value out of an array?
...ased to mt_rand() and srand() aliased to mt_srand(). In practice it should now be good enough.
– Gras Double
Jun 29 '17 at 11:17
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How do I get monitor resolution in Python?
...supports multi monitor environments. Its goal is to be cross platform; for now it supports Cygwin and X11 but pull requests are totally welcome.
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Detach many subdirectories into a new, separate Git repository
...ubdirectory-filter libs master
Continue if you have more than 2 folders. Now you shall have two new and temporary git repository.
Conquer by Merging apps and libs
3 - Prepare the brand new repo:
mkdir my-desired-repo
cd my-desired-repo
git init
And you will need to make at least one commit. I...
How to wait for a BackgroundWorker to cancel?
...= "Rocket launch aborted.";
}
worker = null;
}
And all is good.
Now comes a situation where the caller needs to abort the countdown because they need to execute an emergency self-destruct of the rocket.
private void BlowUpRocket()
{
if (worker != null)
{
worker.CancelAsyn...
Have the same README both in Markdown and reStructuredText
...
2019 Update
The PyPI Warehouse now supports rendering Markdown as well! You just need to update your package configuration and add the long_description_content_type='text/markdown' to it. e.g.:
setup(
name='an_example_package',
# other arguments o...