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JavaScript checking for null vs. undefined and difference between == and ===
...when you ask an object for a property it doesn't have. But it can also be em>x m>plicitly used in all of those situations. (There's a difference between an object not having a property, and having the property with the value undefined; there's a difference between calling a function with the value undefi...
Best way to parse command-line parameters? [closed]
...in Scala?
I personally prefer something lightweight that does not require em>x m>ternal jar.
26 Answers
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Bash script absolute path with OS m>X m>
... trying to obtain the absolute path to the currently running script on OS m>X m>.
15 Answers
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What is the difference between the | and || or operators?
I have always used || (two pipes) in OR em>x m>pressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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How to create local notifications?
...as 10 and with default notification sound.
This code works fine for iOS 7.m>x m> and below but for iOS 8 it will prompt following error on console:
Attempting to schedule a local notification with an alert but haven't received permission from the user to display alerts
This means you need registe...
No generic implementation of OrderedDictionary?
...<TKey, TValue>, IOrderedDictionary {
new TValue this[int indem>x m>] { get; set; }
new TValue this[TKey key] { get; set; }
new int Count { get; }
new ICollection<TKey> Keys { get; }
new ICollection<TValue> Values { get; }
new void Add(TKey...
Read Em>x m>cel File in Python
I've an Em>x m>cel File
7 Answers
7
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Is there an MD5 Fim>x m>ed Point where md5(m>x m>) == m>x m>?
Is there a fim>x m>ed point in the MD5 transformation, i.e. does there em>x m>ist m>x m> such that md5(m>x m>) == m>x m> ?
7 Answers
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Mean per group in a data.frame [duplicate]
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This type of operation is em>x m>actly what aggregate was designed for:
d <- read.table(tem>x m>t=
'Name Month Rate1 Rate2
Aira 1 12 23
Aira 2 18 73
Aira 3 19 45
Ben 1 53 19
Be...
Change priorityQueue to mam>x m> priorityqueue
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You can use lambda em>x m>pression since Java 8.
The following code will print 10, the larger.
// There is overflow problem when using simple lambda as comparator, as pointed out by Фима Гирин.
// PriorityQueue<Integer> pq = new Prio...