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Stop setInterval call in JavaScript
...in clearInterval() to stop the timer.
Here is an example of timer starting from 30 and stops when it becomes 0.
let time = 30;
const timeValue = setInterval((interval) => {
time = this.time - 1;
if (time <= 0) {
clearInterval(timeValue);
}
}, 1000);
...
Use cases for the 'setdefault' dict method
...exist already
group.append( value )
# even simpler with defaultdict
from collections import defaultdict
new = defaultdict(list)
for (key, value) in data:
new[key].append( value ) # all keys have a default already
Sometimes you want to make sure that specific keys exist after creating a ...
How to scroll HTML page to given anchor?
...
Note that scrollIntoView suffers from the same problem scrollto(some px location) does - if the location of the element changes as you scroll, you will scroll to the wrong position. This can easily happen if you, for example, have unknown-dimension images lo...
Get name of object or class
...y, but there's another caveat: if your object has a prototype chain (aside from Object), you will get the the name of the first link in that chain, not the name of the constructor used to create the object. Take the following example: function Daddy() {}; function Me() {}; Me.prototype = new Daddy; ...
Convert a Scala list to a tuple?
...the type is available at compile time. Remember that an HList has features from both List and Tuple types. i.e. it can have elements with different types like a Tuple and can be mapped over among other operations like standard collections. HLists take a little while to get used to though so tread sl...
Can a CSV file have a comment?
...
@Qix - from section 2 of the referenced document: "While there are various specifications and implementations for the CSV format (for ex. [4], [5], [6] and [7]), there is no formal specification in existence"
–...
How to print a dictionary line by line in Python?
...nk my problem is even worse than that. Basically I've parsed out some data from an HTML table, and I happened to store it in a dictionary, and now I'm trying to take that dictionary data and put it into a DataFrame before I export it all to an Oracle table....it's pretty in depth I know, but the ste...
How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
...tually this worked for me: close all Visual Studio instances, and run this from the command line (possibly with administrator rights):
"devenv.exe /clearcache" and "devenv /updateconfiguration"
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*******************************************************************************)
interface
uses
Windows,
SysUtils...
How to get a key in a JavaScript object by its value?
... ES6, I thought was pretty closed: do you have a link about the or method? From what you mentioned it seems that it returns the item that match the predicate "or" the array itself?
– ZER0
Jun 24 '13 at 6:56
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