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std::vector performance regression when enabling C++11
...ack(Item());)
$ g++ -std=c++11 -O3 -flto regr.cpp && perf stat -r 10 ./a.out
Performance counter stats for './a.out' (10 runs):
35.426793 task-clock # 0.986 CPUs utilized ( +- 1.75% )
4 context-switches # 0.116 K/sec ...
How to remove leading zeros from alphanumeric text?
... {
"01234", // "[1234]"
"0001234a", // "[1234a]"
"101234", // "[101234]"
"000002829839", // "[2829839]"
"0", // "[0]"
"0000000", // "[0]"
"0000009", // "[9]"
"000000z", // "[z]"
"000000.z", // "[.z]"
};
for (...
How to set selected item of Spinner by value, not by position?
...
answered Nov 19 '10 at 18:18
MerrillMerrill
6,62822 gold badges1212 silver badges33 bronze badges
...
Operator overloading : member function vs. non-member function?
...and is not a class type, rather say double. So you cannot write like this 10.0 + s2. However, you can write operator overloaded member function for expressions like s1 + 10.0.
To solve this ordering problem, we define operator overloaded function as friend IF it needs to access private members. Ma...
How to handle multiple heterogeneous inputs with Logstash?
...aaa" in [tags] {
elasticsearch {
hosts => ["192.168.100.211:9200"]
index => "aaa"
document_type => "aaa-%{+YYYY.MM.dd}"
}
}
if "bbb" in [tags] {
elasticsearch {
hosts => ["192.168.100.211:9200"]
...
add a string prefix to each value in a string column using Pandas
... string manipulations.
– tagoma
Jul 10 '17 at 21:30
2
How do I do this if conditions must be met ...
Check if a given Type is an Enum
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Is it better to call ToList() or ToArray() in LINQ queries?
...ing the results.
– jpierson
Jun 28 '10 at 20:04
137
If the Count is known in advance, the perform...
How do I auto size a UIScrollView to fit its content
... |
edited Nov 19 '19 at 10:16
answered Jun 24 '13 at 19:37
...