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Python: using a recursive algorithm as a generator
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answered Oct 29 '08 at 23:53
Markus JarderotMarkus Jarderot
76.3k1717 gold badges126126 silver badges133133 bronze badges
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Count cells that contain any text
...ot empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
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foll...
Convert RGBA PNG to RGB with PIL
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130
Here's a version that's much simpler - not sure how performant it is. Heavily based on some djan...
Reset/remove CSS styles for element only
...initial values:
.reset-this {
animation : none;
animation-delay : 0;
animation-direction : normal;
animation-duration : 0;
animation-fill-mode : none;
animation-iteration-count : 1;
animation-name : none;
animation-play-state : running;
animation-timing-function ...
Extract a number from a string (JavaScript)
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606
For this specific example,
var thenum = thestring.replace( /^\D+/g, ''); // replace all leadi...
How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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Version of SQLite used in Android?
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UPDATE OCT 2016: Here is a link to the updated official docs which includes the main points in this answer: android.database.sqlite package-level javadoc
Using the emulators:
adb shell sqlite3 --version
UPDATE: Since SDK 29 (emulator...
Passing a URL with brackets to curl
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edited Jul 2 '19 at 20:14
moveson
4,45011 gold badge99 silver badges3131 bronze badges
answered Nov...
Should I use multiplication or division?
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Python:
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 / 2.0'
real 0m26.676s
user 0m25.154s
sys 0m0.076s
time python -c 'for i in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faster
Lua:
time lua ...
How to create a drop shadow only on one side of an element?
...ent is required.
#box {
background-color: #3D6AA2;
width: 160px;
height: 90px;
position: absolute;
top: calc(10% - 10px);
left: calc(50% - 80px);
}
.box-shadow:after {
content:"";
position:absolute;
width:100%;
bottom:1px;
z-index:-1;
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