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A list of indices in MongoDB?
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This is really helpful.
– Adrian Carr
May 30 '18 at 15:12
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Javascript split regex question
... in the class it is taken to mean a literal dash and does not need to be escaped.
To explain why your pattern didn't work, /-./ tells the regular expression engine to match a literal dash character followed by any character (dots are wildcard characters in regular expressions). With "02-25-2010", i...
PostgreSQL Connection URL
...SQL connection URL formed, when the host is some other computer than the localhost?
6 Answers
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creating list of objects in Javascript
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dynamically build list of objects
var listOfObjects = [];
var a = ["car", "bike", "scooter"];
a.forEach(function(entry) {
var singleObj = {};
singleObj['type'] = 'vehicle';
singleObj['value'] = entry;
listOfObjects...
swap fragment in an activity via animation
...roid:valueTo="0"
android:duration="500"/>
</set>
This is because the compatibility library does not support the new objectAnimator type and instead only implement the old animation framework.
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Can I install the “app store” in an IOS simulator?
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So if I need to know weather my app can open the appstore properly or not, I have to test it in real device?
– William
May 16 '12 at 2:42
10
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What does rake db:test:prepare actually do?
I am following the rails tutorial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation?
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Appending to an empty DataFrame in Pandas?
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And if you want to add a row, you can use a dictionary:
df = pd.DataFrame()
df = df.append({'name': 'Zed', 'age': 9, 'height': 2}, ignore_index=True)
which gives you:
age height name
0 9 2 Zed
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Is it safe to delete an object property while iterating over them?
...the iteration - deleting other properties in the object will unpredictably cause them to be included (if already visited) or not included in the iteration, although that may or may not be a concern depending on the situation.
See also:
MDN on for..in
MDN on browser quirks re: iteration order
In d...
How can one see content of stack with GDB?
...ce: show stack functions and args
info frame - show stack start/end/args/locals pointers
x/100x $sp - show stack memory
(gdb) bt
#0 zzz () at zzz.c:96
#1 0xf7d39cba in yyy (arg=arg@entry=0x0) at yyy.c:542
#2 0xf7d3a4f6 in yyyinit () at yyy.c:590
#3 0x0804ac0c in gnninit () at gnn.c:374
#4 ma...