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How can I get the current PowerShell executing file?
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$MyInvocation.ScriptName return empty string for me, PS v3.0.
– JohnC
Apr 20 '15 at 1:42
4
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Which @NotNull Java annotation should I use?
...get({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE})
public @interface NotNull {String value() default "";}
package javax.annotation;
@TypeQualifier
@Retention(RUNTIME)
public @interface Nonnull {
When when() default When.ALWAYS;
static class Checker implements TypeQualifierValidator<Nonnu...
Pickle or json?
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The benchmark cited by @mac only tests strings. I tested str, int and float seperately and found out that json is slower than cPickle with float serialization, but faster with float unserialization. For int (and str), json is faster both ways. Data and code: gist....
Difference between final and effectively final
...umberLength; // <== not *final*
class PhoneNumber {
PhoneNumber(String phoneNumber) {
numberLength = 7; // <== assignment to numberLength
String currentNumber = phoneNumber.replaceAll(
regularExpression, "");
if (currentNumber.length() == numberLen...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
...with parametrised values is not simply another way to dynamically create a string of SQL. You create a prepared statement at the database, and then send the parameter values alone.
So what is probably sent to the database will be a PREPARE ..., then SET ... and finally EXECUTE ....
You won't be ab...
Why can't variable names start with numbers?
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Because then a string of digits would be a valid identifier as well as a valid number.
int 17 = 497;
int 42 = 6 * 9;
String 1111 = "Totally text";
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How to create an alias for a command in Vim?
...meone asked nearly the same question as I.
:command <AliasName> <string of command to be aliased>
will do the trick.
Please be aware that, as Richo points out, the user command must begin with a capital letter.
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NSURLRequest setting the HTTP header
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for Swift
let url: NSURL = NSURL(string: APIBaseURL + "&login=1951&pass=1234")!
var params = ["login":"1951", "pass":"1234"]
request = NSMutableURLRequest(URL:url)
request.HTTPMethod = "POST"
var err: NSError?
request.HTTPBody = NSJSONSerialization.d...
How should I validate an e-mail address?
... ")+"
);
You can use function
private boolean checkEmail(String email) {
return EMAIL_ADDRESS_PATTERN.matcher(email).matches();
}
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JSON to pandas DataFrame
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Error. You should pass the file contents (i.e. a string) to json.loads(), not the file object itself - json.load(train_file.read())
– Vasin Yuriy
Nov 1 '19 at 12:12
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