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Determine whether JSON is a JSONObject or JSONArray
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@neworld but what if I am in the middle of a loop. trying to get a data.getJSONArray() or data.getJSONObject() will potentially throw a JSONEXception!!
– P-RAD
Dec 2 '15 at 3:48
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Differences between Java 8 Date Time API (java.time) and Joda-Time
...y post. It is always good to have alternatives, and it strongly depends on what features you need.
– Meno Hochschild
Aug 14 '15 at 17:57
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How to remove duplicate white spaces in string using Java?
...r \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular expression. \s matches a space, tab, new line, carriage return, form feed or vertical tab, and + says "one or more of those". Thus the above code will collapse all "whitespace substr...
Find which version of package is installed with pip
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Say package name is X. To find the version - What is the difference between using pip list and doing import X and then X.__version__? Are both the package versions?
– variable
Oct 13 '19 at 4:27
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Git / Bower Errors: Exit Code # 128 & Failed connect
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This did work for me, though I'm unclear as to what the problem was.
– Mendhak
Sep 8 '14 at 7:05
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How to use Greek symbols in ggplot2?
...iki that explains how to put greek symbols in ggplot2. In summary, here is what you do to obtain greek symbols
Text Labels: Use parse = T inside geom_text or annotate.
Axis Labels: Use expression(alpha) to get greek alpha.
Facet Labels: Use labeller = label_parsed inside facet.
Legend Labels: Use ...
When to use a key/value store such as Redis instead/along side of a SQL database?
...nting stuff
Unique N items in a given amount of time
Real time analysis of what is happening, for stats, anti spam, or whatever
Pub/Sub
Queues
Caching
share
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improve this answer
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javac error: Class names are only accepted if annotation processing is explicitly requested
...App', are only accepted if annotation processing is explicitly requested". What a stupid way to say file not found. Or what is the error message supposed to refer to? I can only find this fix, but not why the error message is worded like that.
– masterxilo
May ...
Add border-bottom to table row
... You are wrong, @Renan . The collapsing border model is exactly what makes row borders stylable. According to CSS sectoin 17.6: In the separate border model “Rows, [...] cannot have borders (i.e., user agents must ignore the border properties for those elements).” “In the collapsing...
SignalR: Why choose Hub vs. Persistent Connection?
...nd reading up on SignalR recently and, while I see a lot of explanation of what the difference is between Hubs and Persistent Connections I haven't been able to get my head around the next level, which is why would I choose one approach over the other?
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