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jQuery first child of “this”
...first-child, then get the native DOM element from the jQuery object, using array reference [0] (recommended) or .get(0) and use the ele.firstChild. This gives the same identical results as regular JavaScript usage.
all tests are done in Chrome Canary build v15.0.854.0
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Unsubscribe anonymous method in C#
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Resharper 6.1 doesn't complain if you declare it as an array. Seems a little weird, but I'm going to blindly trust my tools on this one: MyEventHandler[] foo = { null }; foo[0] = ... { ... MyEvent -= foo[0]; }; MyEvent += foo[0];
– Mike Post
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...data type, and a complex type to represent complex numbers
variable-length arrays
support for one-line comments beginning with //, as in BCPL or C++
new library functions, such as snprintf
new header files, such as stdbool.h and inttypes.h
type-generic math functions (tgmath.h)
improved support for ...
Ruby off the rails
... to distribute system and application configuration information for server arrays and for general IT workstation management.
The DevOps field is quite Ruby-aware. Today, Perl has a competitor. While a really simple script may often still be written directly for sh(1), a complex task now might be d...
Get decimal portion of a number with JavaScript
...put is string. I also have to note that this answer returns a string in an array. A more complete solution is parseFloat('0.' + (n + '').split('.')[1])
– totymedli
Mar 30 '19 at 1:59
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Is it possible to read the value of a annotation in java?
...a list you could use this oneliner:
List<String> columns =
Arrays.asList(MyClass.class.getFields())
.stream()
.filter(f -> f.getAnnotation(Column.class)!=null)
.map(f -> f.getAnnotation(Column.class).columnName())
.collect...
Load local JSON file into variable
...quotes (" not ') unless the value is numeric, boolean, null, or composite (array or object). JSON cannot contain functions or undefined values. Below is your object as valid JSON.
{
"id": "whatever",
"name": "start",
"children": [
{
"id": "0.9685",
"name": " contents:queue"
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How to drop a list of rows from Pandas dataframe?
...counterintuitively, to take the remaining rows.
Let indexes_to_drop be an array of positional indexes to drop ([1, 2, 4] in the question).
indexes_to_keep = set(range(df.shape[0])) - set(indexes_to_drop)
df_sliced = df.take(list(indexes_to_keep))
In my case this took 20.5s, while the simple df.d...
Get properties and values from unknown object
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There is no really need to create a list from array, simply PropertyInfo[] props = input.GetType().GetProperties();
– VladL
Dec 17 '14 at 10:11
2
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How to convert hashmap to JSON object in Java
...n.toJson(myObject);
Gson will automatically convert collections to JSON arrays. Gson can serialize private fields and automatically ignores transient fields.
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