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Convert command line arguments into an array in Bash
...ay, i.e. ${var[0]} ${var[1]} ... ${var[n]} (with nbeing the last element's index)?
– Christian
Sep 21 '16 at 18:27
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jQuery trigger file input
...r;
position: absolute;
top: 0px;
right: 0px;
font-size: 100px;
z-index: 2;
opacity: 0.0; /* Standard: FF gt 1.5, Opera, Safari */
filter: alpha(opacity=0); /* IE lt 8 */
-ms-filter: "alpha(opacity=0)"; /* IE 8 */
-khtml-opacity: 0.0; /* Safari 1.x */
-moz-opacity: 0.0; /* FF lt ...
Insert auto increment primary key to existing table
... COLUMN mycolumnname INT NOT NULL AUTO_INCREMENT AFTER updated,
ADD UNIQUE INDEX mycolumnname_UNIQUE (mycolumname ASC);
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How to get child element by class name?
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@FranVerona Just out of curiosity, wouldn't a simple "indexOf('className') > -1" solve the multiple class issue?
– James Poulose
Jan 4 '15 at 23:33
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How can I fill a div with an image while keeping it proportional?
...in my case I just required to add position:absolute and top:0 , and some z-index as well
– byroncorrales
Feb 22 '17 at 0:23
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Delete everything in a MongoDB database
...whichever database>
db.getCollectionNames().forEach(function(c) { if (c.indexOf("system.") == -1) db[c].drop(); })
This code will go through all collection names from one database and drop those which do not start with "system.".
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How to delete a character from a string using Python
...ally removed from the list)
del(l[1]) # another way to delete it
p = l.index("a") # find position of the letter "a"
del(l[p]) # delete it
s = "".join(l) # convert back to string
You can also create a new string, as others have shown, by taking everything except the character you wan...
How to check whether a string contains a substring in Ruby
...eturns nil when the expression doesn't match. When it does, it returns the index of the character where the match happens. For example:
"foobar" =~ /bar/ # returns 3
"foobar" =~ /foo/ # returns 0
"foobar" =~ /zzz/ # returns nil
It's important to note that in Ruby only nil and the boolean expre...
Using Enums while parsing JSON with GSON
...tion is only available starting version 2.3: google.github.io/gson/apidocs/index.html?com/google/gson/…
– pm_labs
Mar 22 '18 at 10:36
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How do I run a program with commandline arguments using GDB within a Bash script?
...法轮功六四事件 I got hooked to info after discovering the 'i' key (index-search). Try: info gdb, then 'i', then '--args'. It'll bring you right to it.
– Apteryx
Jan 15 at 23:04
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