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load and execute order of scripts
...age until the script has been loaded and executed.
To test this fact:
// file: test.php
sleep(10);
die("alert('Done!');");
// HTML file:
<script type="text/javascript" src="test.php"></script>
Dynamically added scripts are executed as soon as they are appended to the document.
To t...
How do I compare two string variables in an 'if' statement in Bash? [duplicate]
...alled test); if you run which [, you'll see there's actually an executable file for it on disk (even though the shell may provide a built-in implementation as a performance optimization). Just like you have to put a space between the name of the command ls before the name of the file you want it to ...
How to communicate between iframe and the parent site?
...
It's not a bug. File urls can be very unsafe and browsers are treating them with ever increasing care. Back in the old days you could put a link to file://C:/Windows/system32/whatever on a webpage and make it point right into the user's syst...
Gradle proxy configuration
...
For me, works adding this configuration in the gradle.properties file of the project, where the build.gradle file is:
systemProp.http.proxyHost=proxyURL
systemProp.http.proxyPort=proxyPort
systemProp.http.proxyUser=USER
systemProp.http.proxyPassword=PASSWORD
systemProp.https.proxyHost=pro...
When to choose checked and unchecked exceptions
...r control has caused the operation to fail. For example, you try reading a file but someone deletes it between the time you check if it exists and the time the read operation begins. By declaring a checked exception, you are telling the caller to anticipate this failure.
Reasonable to recover from: ...
How can I measure the actual memory usage of an application or process?
...t of memory your application actually uses, you need to run it within a profiler. For example, Valgrind can give you insights about the amount of memory used, and, more importantly, about possible memory leaks in your program. The heap profiler tool of Valgrind is called 'massif':
Massif is a heap...
How do I create a new branch?
...
After this step, if you want to access the files of the revision, get the right click menu of the tags/branch folder. choose: SVN Update. Only then, the folder of Version2.45.5 is copied with its files in the folder.
– lode
Oct ...
How do I install package.json dependencies in the current directory using npm
...here. These will be placed in ./node_modules relative to your package.json file (it's actually slightly more complex than this, so check the npm docs here).
You are free to move the node_modules dir to the parent dir of your app if you want, because node's 'require' mechanism understands this. Howe...
Is it possible to make the -init method private in Objective-C?
...
Apple has started using the following in their header files to disable the init constructor:
- (instancetype)init NS_UNAVAILABLE;
This correctly displays as a compiler error in Xcode. Specifically, this is set in several of their HealthKit header files (HKUnit is one of them)...
How do you use NSAttributedString?
...utedString *stringWithHTMLAttributes = [[NSAttributedString alloc] initWithFileURL:htmlString
options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType}
...