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How do I send a JSON string in a POST request in Go
...plication/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
panic(err)
}
defer resp.Body.Close()
fmt.Println("response Status:", resp.Status)
fmt.Println("response Headers:", resp.Header)
body, _ := ioutil.ReadAll(resp.Body)
...
How to bring back “Browser mode” in IE11?
...l release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
...
Shall we always use [unowned self] inside closure in Swift
...ous network request
If you are making an asynchronous network request you do want the closure to retain self for when the request finishes. That object may have otherwise been deallocated but you still want to be able to handle the request finishing.
When to use unowned self or weak self
The only...
UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...DataAnimated:YES];
Note to always use only (reloadDataAnimated:YES/NO)
(dont call [self.tableView reloadData] directly)
This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections
...
How to create a loop in bash that is waiting for a webserver to respond?
...il $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
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How to define Gradle's home in IDEA?
... gradle script to print your GRADLE_HOME directory.
task getHomeDir {
doLast {
println gradle.gradleHomeDir
}
}
and name it build.gradle.
Then run it with:
gradle getHomeDir
If you installed with homebrew, use brew info gradle to find the base path (i.e. /usr/local/Cellar/grad...
Retrieving a List from a java.util.stream.Stream in Java 8
...
What you are doing may be the simplest way, provided your stream stays sequential—otherwise you will have to put a call to sequential() before forEach.
[later edit: the reason the call to sequential() is necessary is that the code as ...
CSS: Change image src on img:hover
...With only html and css, its not posible to change the src of image. If you do replace the img tag with div tag, then you might be able to change the image that is set as the background as like
div {
background: url('http://dummyimage.com/100x100/000/fff');
}
div:hover {
background: url('ht...
MySQL search and replace some text in a field
What MySQL query will do a text search and replace in one particular field in a table?
7 Answers
...
Exposing database IDs - security risk?
...pplication lacks sufficient authorization controls to prevent it, they can do things that you didn't intend.
Here are some good rules to follow:
Use role-based security to control access to an operation. How this is done depends on the platform and framework you've chosen, but many support a declar...