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How do I put variables inside javascript strings?
... => args[i++]);
}
Usage:
s = parse('hello %s, how are you doing', my_name);
This is only a simple example and does not take into account different kinds of data types (like %i, etc) or escaping of %s. But I hope it gives you some idea. I'm pretty sure there are also libraries out there whic...
Default value in Doctrine
...ple solution for my specific case and is to set the field type option empty_data to a default value.
Again, this solution is only for the scenario where an empty input in a form sets the DB field to null.
Background
None of the previous answers helped me with my specific scenario but I found a so...
What is simplest way to read a file into String? [duplicate]
...:
new String(Files.readAllBytes(Paths.get(filePath)), StandardCharsets.UTF_8);
Where filePath is a String representing the file you want to load.
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How do I trim leading/trailing whitespace in a standard way?
... to store the result. If it is too small, the output is
// truncated.
size_t trimwhitespace(char *out, size_t len, const char *str)
{
if(len == 0)
return 0;
const char *end;
size_t out_size;
// Trim leading space
while(isspace((unsigned char)*str)) str++;
if(*str == 0) // All sp...
Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
... Java 8 so they were failing. My error was resolved after changing jdk1.8.0_92 to jdk1.7.0_80.
The build would succeed with mvn clean install -DskipTests but this will skip the unit tests. So just ensure that you run then separately after the build is complete.
...
Is std::unique_ptr required to know the full definition of T?
...brary require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for this is to support idioms such as pimpl using smart pointers, and without risking un...
Access object child properties using a dot notation string [duplicate]
...nd set() methods.
Getting
var object = { 'a': [{ 'b': { 'c': 3 } }] };
_.get(object, 'a[0].b.c');
// → 3
Setting
var object = { 'a': [{ 'b': { 'c': 3 } }] };
_.set(object, 'a[0].b.c', 4);
console.log(object.a[0].b.c);
// → 4
...
adding multiple entries to a HashMap at once in one statement
... 2016) as follow:
Map<String, Integer> cities = Map.of("Brussels", 1_139000, "Cardiff", 341_000);
The var-args case for Map is a little bit harder, you need to have both keys and values, but in Java, methods can’t have two var-args parameters. So the general case is handled by taking a va...
Rake just one migration
...n dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fail because it cannot drop the table. In this case, comment out th...
Converting String to Int with Swift
... var value: Int { string.digits.integer ?? 0 }
var maxValue: Int = 999_999_999
private var lastValue: Int = 0
override func willMove(toSuperview newSuperview: UIView?) {
// adds a target to the textfield to monitor when the text changes
addTarget(self, action: #selector...