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static const vs #define
...#define simply replaces the text. Because doing this can seriously mess up order of operations, I would recommend using a constant variable instead.
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Get the first element of each tuple in a list in Python [duplicate]
...mprehensions
For a discussion on why to prefer comprehensions over higher-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=98196.
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How to embed a text file in a .NET assembly?
...y file you have added and change the "Build Type" to Embedded Resource.
In order to access the resource:
a. Got the current assembly using the function: GetExecutingAssembly()
b. The resource that I added was a text file so I read it into a stream using GetManifestResourceStream(fileName). The way...
How to call a parent method from child class in javascript?
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Well in order to do this, you are not limited with the Class abstraction of ES6. Accessing the parent constructor's prototype methods is possible through the __proto__ property (I am pretty sure there will be fellow JS coders to comp...
Shell script while read line loop stops after the first line
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to automatically reload a page after a given period of inactivity
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Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after.
– Tspesh
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mongodb group values by multiple fields
...lf-join" with another pipeline expression, in which we can apply $limit in order to return the "top-n" results.
db.books.aggregate([
{ "$group": {
"_id": "$addr",
"count": { "$sum": 1 }
}},
{ "$sort": { "count": -1 } },
{ "$limit": 2 },
{ "$lookup": {
"from": "books",
"let"...
jQuery trigger file input
...ion: relative;
/* SOME STYLING */
width: 50px;
height: 28px;
border: 1px solid green;
font-weight: bold
background: red;
}
div#mybutton:hover {
background: green;
}
input#myfile {
height: 30px;
cursor: pointer;
position: absolute;
top: 0px;
right: 0px;
font-size: 100...
Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...I deleted my stupid comment, before I saw your answer. Maybe he comes from PHP where we have !empty($foo) as somewhat an alias for isset($foo) && $foo != "".
– Aufziehvogel
Jul 16 '12 at 20:39
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How to set Sqlite3 to be case insensitive when string comparing?
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----------------
b
sqlite> select Text_Value from Test order by Text_Value;
Text_Value
----------------
A
b
C
sqlite> select Text_Value from Test order by Text_Value desc;
Text_Value
----------------
C
b ...