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Wait 5 seconds before executing next line
...woefully inadequate. What if you need to sleep for 500ms before returning from the function, for instance to simulate a slow async http request?
– A.Grandt
Sep 22 '16 at 9:17
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Why is a 3-way merge advantageous over a 2-way merge?
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This slide from a perforce presentation is interesting:
The essential logic of a three-way merge tool is simple:
Compare base, source, and target files
Identify the "chunks" in the source and target files file:
C...
Dynamically generating a QR code with PHP [closed]
...nt here. The most recent release available on the Downloads page is still from 2010.
– CubicleSoft
Oct 12 '15 at 15:48
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When do we need curly braces around shell variables?
...explicitness, I find it important to mention that $() executes its command from a subshell.
– Adrian Günter
Aug 24 '15 at 2:18
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How to increase heap size of an android application?
...in view, and load the rest as you need it, while removing the unused parts from memory. However, this may not be possible, depending on your app.
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In C#, why is String a reference type that behaves like a value type?
... to this situation where we have a type with value sematics not inheriting from System.ValueType. Thanks Ben.)
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Mongodb Explain for Aggregation framework
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Starting with MongoDB version 3.0, simply changing the order from
collection.aggregate(...).explain()
to
collection.explain().aggregate(...)
will give you the desired results (documentation here).
For older versions >= 2.6, you will need to use the explain option for aggregat...
Get Visual Studio to run a T4 Template on every build
...xtension=vb
if not (%2)==() set extension=%2
echo executing transform_all from %wdir%
:: create a list of all the T4 templates in the working dir
dir %wdir%\*.tt /b /s > t4list.txt
echo the following T4 templates will be transformed:
type t4list.txt
:: transform all the templates
for /f %%d in...
How to create a CPU spike with a bash command
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Reading from /dev/zero and writing to /dev/null is not a very good load generator - you have to run a lot of them to generate significant load. Better to do something like dd if=/dev/urandom | bzip2 -9 >> /dev/null. /dev/urand...
String replacement in java, similar to a velocity template
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Use StringSubstitutor from Apache Commons Text.
https://commons.apache.org/proper/commons-text/
It will do it for you (and its open source...)
Map<String, String> valuesMap = new HashMap<String, String>();
valuesMap.put("animal", ...