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Practical usage of setjmp and longjmp in C

...y to verify that). #include <stdio.h> #include <setjmp.h> jmp_buf bufferA, bufferB; void routineB(); // forward declaration void routineA() { int r ; printf("(A1)\n"); r = setjmp(bufferA); if (r == 0) routineB(); printf("(A2) r=%d\n",r); r = setjmp(buffer...
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How do I loop through or enumerate a JavaScript object?

...ach object in javascript (actually a key-value pair) has a property called __proto__ or prototype. This property has a reference to its parent object. An object automatically inherits property from its parent. This is the reason of using hasOwnProperty, which signifies that we're interested in objec...
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How to set the JDK Netbeans runs on?

I have older NB6.7, NB6.9, NB7.0, which used to run on jdk1.6.0_21 and jdk1.6.0_25. Now I've removed those JDKs and only have jdk1.6.0_26 and jdk1.7.0 left, but I still want to keep the older NBs, but now when I run them, I get this message: ...
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How to include package data with setuptools/distribute?

... setuptools/distribute, I can not get the installer to pull in any package_data files. Everything I've read says that the following is the correct way to do it. Can someone please advise? ...
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How to get current timestamp in milliseconds since 1970 just the way Java gets

...chrono> // ... using namespace std::chrono; milliseconds ms = duration_cast< milliseconds >( system_clock::now().time_since_epoch() ); share | improve this answer | ...
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Add a column with a default value to an existing table in SQL Server

...TABLENAME} ADD {COLUMNNAME} {TYPE} {NULL|NOT NULL} CONSTRAINT {CONSTRAINT_NAME} DEFAULT {DEFAULT_VALUE} WITH VALUES Example: ALTER TABLE SomeTable ADD SomeCol Bit NULL --Or NOT NULL. CONSTRAINT D_SomeTable_SomeCol --When Omitted a Default-Constraint Name is autogenerated. DEFAULT (...
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How to make the 'cut' command treat same sequental delimiters as one?

...re. You could pass < text.txt directly to tr. en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_cat – arielf Aug 9 '14 at 20:10 1 ...
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How do I use IValidatableObject?

... class RangeIfTrueAttribute : RangeAttribute { private readonly string _NameOfBoolProp; public RangeIfTrueAttribute(string nameOfBoolProp, int min, int max) : base(min, max) { _NameOfBoolProp = nameOfBoolProp; } public RangeIfTrueAttribute(string nameOfBoolProp, double ...
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How can I keep Bootstrap popovers alive while being hovered?

...: true, animation: false }) .on("mouseenter", function() { var _this = this; $(this).popover("show"); $(".popover").on("mouseleave", function() { $(_this).popover('hide'); }); }).on("mouseleave", function() { var _this = this; setTimeout(function() { if ...
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How do I install an R package from source?

...hen use install.packages() and set the repos=NULL: install.packages(path_to_file, repos = NULL, type="source") Where path_to_file would represent the full path and file name: On Windows it will look something like this: "C:\\RJSONIO_0.2-3.tar.gz". On UNIX it will look like this: "/home/blah/R...